Interstellar : Plot Holes Explained

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Yes, to all the dear folk who are jumping off buildings because they can't believe Nolan outdid himself over Inception, calm the f^*k down.

Let's take a quick walk through the movie first.



The Basic Plot

So the Earth has finally hit a point where a disease attacks all crops. Soil turns to loose sand and the world (read: America, clearly one cares about what happening in the other parts of the world) is now in peril. Gaya the spirit of the world can no longer stand the destruction plaguing our planet. She sent five magic rings to five different young people … sorry, we digressed. Bottom line, Earth is messed up, Nitrogen levels are increasing, eventually everyone will perish by suffocation.

Cooper is an ex-NASA pilot who is now living a life in the dust ball with his two kids. You can ignore the guy kid, Nolan ignores him too eventually. The girl kid is Murphy or Murph for short. Murph believes there are ghosts in her house trying to communicate. Cooper can barely keep his kids in school, either they are too smart or too dumb. One day, when a dust storm hits, Cooper and Murph notice that the dust is falling to the ground in a specific pattern. Cooper figures it to be Morse code and it seems to be coordinates for some place. He sets off to those coordinates, Murph sneaks into his truck. The coordinates lead them to NASA. A NASA that was deemed shut down many years ago. 

Enter the other characters in the movie – Amelia, an astronaut in the making. Dr.Brand, a professor and Amelia’s dad. One Romily and a Doyle for added astronauts. The NASA folk tell Cooper that the gravitational anomalies are basically some extra-terrestrial beings trying to make contact and save the human race from extinction. There seems to have been a wormhole opened near Saturn. Since wormholes are not a natural occurrence, their guess is that it was created by the extra-terrestrial beings. NASA mentions that they have already sent out 3 people on missions to find inhabitable planets and relay back information about the planet conditions - the Lazarus mission they’ve called this. They have some readings from each of the Astronauts. Based on this they were planning to send a large centrifuge ship (called Endurance) on a mission to repopulate the best planet. Cooper lands just in time to pilot the ship, but he has second thoughts because of his kids. He decides to do it for the sake of humanity and his kids. Dr.Brand says he should finish solving the physics problem of the whole mankind escaping the Earth’s gravity to flee to a better planet, in the meanwhile. Standard rocket propulsion ain’t gonna cut it.

Cooper says bye to his son, his daughter is throwing tantrums about him going. She deciphers from her book stand a message in Morse code from her ghosts. The message reads STAY, Cooper goes. Cooper joins the crew of Amelia, Romily, Doyle. They also have two robots with them – CASE and TARS. After a two year journey to Saturn, they now head for the worm hole. They get constant video messages from their families and send back responses. They enter the wormhole, as they do Amelia gives what she calls her first handshake to an extra-terrestrial presence. The crew has two plans. Plan A – find a suitable planet based on the info from Lazarus, head back and get the rest of the planet. Plan B – screw the rest of the planet, they are carrying with them a set of human fertilized eggs, the population bomb, use that to create the human species on some poor unsuspecting planet and start over.

The wormhole here is a shortcut in space, but not time. Once they reach the other side, they are still in the same time as that on earth. The problem however is that the first planet in their list is very close to a black hole – Gargantua. This means that as their centrifuge ship goes closer, their relative time will become much slower than that on earth. Visiting this planet will cause everyone on Earth to age too much. Cooper suggests an alternate route of heading on the centrifuge till a point and then using the pods to enter the planet to investigate. They would lose a few years on earth, but not enough that everyone back home is dead. Cooper, Amelia and Doyle head in the pod.
Once they set foot on the planet, they realize that it has only water on it and giant tidal waves. Miller, from the Lazarus project has perished and in the attempt to collect her transmission device, Doyle gets killed and the pod gets flooded. They lose more time and when they get back to the centrifuge ship to realize 23 years has passed. Romily has aged, everyone on Earth has aged. Big screw up. Miller’s transmissions looked like they came a while ago, but they were transmitted merely minutes before their pod got on the planet. The relatively slow time gave the impression that the readings came a while back.

Back on Earth, Amelia is now a grown woman, working with Dr.Brand on the gravitation problem. She decides to send out her first message to her father because she is now the same age as Cooper when he left her. Cooper sort of promises that's when he'll be back. Soon, Dr.Brand starts fading as a result of old age, and tells Murph that he lied about the whole thing. The equation cannot be solved without the black-hole information. There is no getting information from the inside of a black hole. He sent the team only keeping in mind the hope of the “population creation” and expects people of earth to perish. Murph earlier notices this about his equations - that Dr.Brand has not bothered keeping time a variable while solving it. She relays information to the centrifuge saying Dr.Brand has passed and that his daughter knew about the unsolvable equation. She accuses Amelia of the knowledge that they had left Earth and its people to die.

Back on the centrifuge, they decide to go with Dr.Mann’s planet as his signals are more promising. Cooper and Amelia have an argument about this. Cooper wants to pick Dr.Mann’s planet as it does not have any major impact on relative time and Cooper can get back to his family. Amelia was in love with Dr.Edmund and hopes he’s still alive. However, that planet is close to the black hole and will have consequences to the relative time. Basically, they need to pick between the planets as there are resources on the centrifuge ship for only 2 trips. If they check out both planets, then there is no going back to Earth. Cooper wins; they head to Dr.Mann’s planet.

On landing, Dr.Mann is Matt Damon, ooooh the well-kept secret. Mann’s in cryro-sleep. They wake him up. He shows them about the awesome planetary readings. They are all happy. Murph’s message comes to them now. Amelia didn't know about the fact that her dad was lying about solving the gravity equation. Dr.Mann too knows about the lie and says there was never any hope for Earth. Amelia apologizes to Cooper and asks him how she can help. Cooper obviously gives up and says he wants to go back to Earth to his family.

Dr.Mann and Cooper take a stroll in the planet and voila a twist. Dr.Mann announces to Cooper how all the data sent by him was fudged. Mann just wanted to be rescued of the planet. There is no chance of a survival on the planet. It has too much Ammonia. Mann decides to kill Cooper and take the centrifuge on its final journey to Dr.Edmund’s planet and perform the population bomb thingy. Mann rigs the base to explode and Romily gets blown up. Mann escapes with the pod to the centrifuge ship. Amelia saves the suffocating Cooper. They take the other pod and chase after Mann. Mann gets to the centrifuge and tries to dock manually; he fails and gets blown up. In the process he sets the centrifuge into a spin. Cooper performs a spinaroonie with the pod and docks with the centrifuge and stops the spinning.

The centrifuge is busted and there is no way to get back home to Earth. Cooper has one final plan. By using the gravitational pull of the black hole Gargantua, they can try a sling shot to Dr.Edmund’s planet and work on the population bomb. In the process, they prep TARS to drop off into the black hole and relay out the information required to solve the gravity equation. Just as they are preparing for the sling shot, Cooper also disengages to drop off into the black hole. The extra weight he and his pod add to the centrifuge will not allow the sling shot to happen. Yes, a sacrifice.

Cooper gets pulled in and his controls start giving up on him. He then ejects and just as he’s heading to his death, he suddenly finds himself in a tesseract of multi-dimentions. Here time is non-linear. He is at Murph’s bookshelf through various points in time. He can see a young Murph on the other side. Cooper tries to send out messages to Murph using the books in Morse code. Gravity is something that transcends space time. He tries to get the message across by saying – STAY. He realizes that he is actually Murph’s ghost. He also realizes that Murph is the one who the extra-terrestrial beings are trying to reach out to. He also also realizes that the extra-terrestrial beings are in fact humans from a future time who have evolved into multi-dimensional beings and are simply trying to create the event that saves the human race from extinction on Earth. The multi-dimensional humans have built this tesseract to save Cooper and help them send a message across to Murph. 

TARS resumes communication with Cooper saying he is unable to transmit the black hole information out. Cooper realizes his role in all of this. He is the bridge that the multi-dimensional humans are trying to use to get the black hole information across to Murph to ensure their own survival. Cooper is able to identify at which point in time and where he needs to send the information so that Murph will identify it. Cooper gifts Murph a watch, which he knows she will keep dear to her. He relays the information of the black hole to the watch’s second's hand in Morse code. He does this by altering the gravitational fields around the watch. He relays this information to the watch of the grown up Murph who is working on the solution of the gravity problem. The multi-dimensional beings are unable to pin point how the message can be sent to Murph. Cooper’s help is required for this as it is his love for Murph and vice versa which helps him locate the way in which he can relay back the information. As he expects, Murph puts together that the ghost is in fact her father and he’s trying to communicate from another timeline via the watch and book stand. She collects the information from the watch heads towards the solution of the gravity problem. She succeeds.

Cooper’s job is done, the tesseract starts dismantling and he is thrown out of it and exits back at the mouth of the wormhole near Saturn. As he does, he passes the time when Amelia does her handshake. Amelia was merely witnessing Cooper passing by in another timeline. Cooper gets picked up by a NASA station nearby. Though Cooper has not aged, being in the black hole has cause more time to pass for Earth people. Murph is now very old and is on her death bed, she meets with Cooper. She confirms that he was her ghost. She asks him to go unite with Amelia who had headed to Dr.Edmud’s planet. Cooper steals a NASA craft and heads out while Amelia is shown setting up camp on Dr.Edmund’s planet alone.

Plot Holes:

1) Dr.Mann's story - well this wasn't a plot hole, but the time they spent on him didn't have any effect on the story other than the cool spinaroonie. They could have done without the hassles of the second planet.

2) Relaying the information of a black hole through Morse code to a watch's second's hand. This is going to be tonnes of data! How long would the data need to be relayed for? Murph is shown seeing the watch with the "broken" second's hand and ignoring it. Since the information has been relaying for a while, she's obviously going to miss a good deal of the information. Tonnes of Morse code data could take any amount of time to construct into usable information. It appeared to be a weak mechanism to send the data through. Mysterious how Murph put together a solution with only portion the data. Ideally she would have had to put it down on paper the minute the seconds hand started "malfunctioning".

3) The gravitational forces in a black hole are so rough that light can't find its way out. Going in to it would mean getting sheared into bits and pieces. Not comfortably ejecting out and floating towards the center. Yet Cooper stays in one piece while entering the black hole.

4) This again is not a plot hole, just a point to note. Amelia doesn't enter the black hole. Time for Cooper passes much slower than Amelia's. This is why Murph is on her death bed after Cooper exits the black hole. Amelia too would have aged significantly or perhaps even died on Dr.Edmunds planet by the time Cooper gets there.

5) Funny that the tidal waves had such high crests and the trough was merely 2 feet of water. Wouldn't there need to be sufficient depth for the waters to rise that high. If it was because of the gravitational pull of the black hole, how does that not affect the crew too? They seem to be able to walk around on the 2 feet deep water with out any upward gravitational forces.

6) If the plan was anyway going to be Plan-B, the Lazarus people knew of this, they could have simply each taken a bunch of fertilized eggs and started a colony of humans in which ever planet was suitable. Why build a centrifuge ship and send it with a bunch of fertilized eggs in it as a second step?



Want to revisit Inception and understand it better?



On popular demand, we've explained out the movie - Primer. Happy Reading!

109 comments:

  1. For #5, if you've ever seen a beach before a tsunami, you'd see that the water levels recede quite a bit as the swell builds. I imagine that on a planet covered in water, these waves would be running in tall rings around the planet in a rather regular fashion. When the swell hits, the water is far deeper than 2 ft, but then the waters recede in both directions as the old swell fades and the new swell builds. Judging by the size of the waves, the water would be quite deep if there were no tidal forces. http://physics.stackexchange.com/questions/6720/why-do-tsunami-waves-begin-with-the-water-flowing-away-from-shore
    If the 3rd and largest 2004 tsunami wave drew back waters 1300m, you can imagine how much water would recede before a mountain-sized wave, thus leading to the waters seeming only 2 ft deep.
    The only issue I have is how calm the waters were before and after the wave... there was no obvious tidal recession before the wave hit. I would think that between the time they landed and the time the wave hit, there would be a noticeable recession of the water level. I am not an expert though so I could be very far off the mark.

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    1. Interesting, this is a neat explanation. But yes the depth would fluctuate quite a bit and not stay consistent. Wave action is also caused in this case due to an external gravity action rather than an internal plate movement, this would change the dynamics of the wave behavior. Nevertheless, we are in the same lines of thought with respect to the unbelievable calmness of the shallow water.

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    2. My theory is that there is no wave.... Waves mean that water is moving form point A to B. But the tidal bulge on this planet is constantly pointing towards the black hole, and the planet housing the water is rotating underneath like a slippery egg in a pot of water. The tide isn't coming towards them, they are moving towards the tide. These result in different dynamics, the non-motion would explain the stillness of the water. Its a stretch though!
      In number 3 my theory is that, he never went to the center, he was cruising the surface just passed the even horizon where he began to feel tidal forces on his body (hence him sounding like he is in pain) He then appears in the 5th d beings' construct, which he could've gotten there by means where he did not float to the centre of the black hole - i.e. teleported there some how (which take an infinite amount of time to reach anyways).
      For number 2 - my theory is that he repeated the morse code explanation over and over.
      For number 1 - It was more of a "protagonist thing" as my media studies friend explained once. Dr. Mann was regarded as the best of the best, a noble hero truly thinking about survival, NASA was praising him during the briefing. Seeing him as a corrupt lunatic restores the title of true hero to Cooper, who is just an awesome person/pilot/hero.
      Yes I agree the movie couldve probably been more amazing without the 2nd planet hassles.
      My complaint is that... we surveyed a comet for a month before sending a probe on it, meanwhile the grow just shows up and starts landing on planets uninvited. A bit of observation and survey couldve prevented the first planet's mess, the fridge planet couldve easily been avoided, and so on. They wasted 23 years, what's another month or two of observations.
      AND i think that:
      No one ever met Amelia again, so the footage you see of her on the 3rd planet couldve been from the past, i.e. a glimpse of when she first arrived there and set up the small camp. If cooper met her after his return, he would be much younger than she - but we arent shown her in the present.
      - There are definitely more holes, such as the bootstrap paradox where he gives himself the coordinates.
      I dont know - thoughts? I think we need more awesome space movies so I support, haha.

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    3. #5 - the bulge explains the dynamics of the waves better. We did consider this notion given the whole planet has only water. The frequency between the waves would have been a lot lesser given the rotation is slow. And the night side of the planet shouldn't see this kind of wave activity. They are not waves but giant ripples which don't rotate with the planet, nice thought.

      #3 - even merely entering the event horizon comes with enough shear forces that will rip apart the ship and Cooper in a fraction of a second. We're talking about light not being able to escape. Unless, the 5th dimensional beings did something to protect him all the way into the tesseract.

      #2 - yeah, over and over seems the best explanation. But he needed to be in the tesseract for a lot longer doing that, the way it was shown didn't look like he did the information passing for a very long while. Perhaps Nolan intended that, just didn't come across that way in that scene. Information in loops does make perfect sense though.

      #1 We thought Cooper was already awesome enough that he was leaving his kids and heading to the stars for a mission he might never return from. But yes, he doesn't do it for the human race as such. Only at a later point he's working towards saving the human race.

      Yep, Amelia would have lived alone with her foster kids for a long long time.

      Regarding the bootstrap paradox, one way to look at it is - of the many universes (may be the 5th dimension that is being referred to), one of them has this event successfully happening. For this universe, this event which is now happening, will have already happened in the future. Much like the Terminator movies.

      Thanks for the awesome post, thought provoking!

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    4. The above (nov20th my theory...) was me, Ill stop being anonymous and start being more friendly (haha)

      I have some new information - The tidal planet has130% faster spin than Earth, not the gravity (but I need to see the movie again to make sure) This explains the frequency of meeting the wave (not sure what happened to the night though....) Again I may be wrong about this part.

      I posted this link below: http://ikjyotsinghkohli24.wordpress.com/2014/11/07/on-the-science-of-interstellar/

      It explains a lot, the tides, the gravitational forces, truly amazing really I really recommend looking at it... I cannot understand any of the math but the debates in the comments reflect its authenticity...

      You stated "even merely entering the event horizon comes with enough shear forces that will rip apart the ship and Cooper in a fraction of a second." I dont know enough about black hole gravity to comment on this. (but here I go haha) Once he passes the event horizon he will continue to fall in for an infinite amount of time according to Einstein's relativity, so what a fraction of a second is for us, is an eternity to him, its possible that we are watching his experience from his own sense of time-where he would be spaghettified agonizingly slow until he either suffacates, starves, dies of old age, space suit breaks, or his body is so stretched it just cant function properly, but there is a time before death is experienced, before he becomes de-atomized. An instant in a black hole is a ridiculous amount of time because of the time-space curvature. Again, I am no expert.

      #2 good point, but I would explain it that within the construct, time is accessable at different points, and past, present and future is all one long 4d shape that the 3d dimension is a splice of, yet within the contruct he has access to the fourth dimension, and different points of time (young Murph, older Murph all at his finger tips) Hence it possible to explain that he repeated within a time frame that Murph was able pick up. -> his time in the tesseract has no relation to the time experienced by Murph (he's there when she is young, older, etc. time is completely different for him).

      Yeah, I guess its possible to explain it the bootstrap paradox as different probability universes prior to this one that we observe, as you suggest!. But in the end, here we are trying really hard to Defend Christopher Nolan for some reason, haha! Thanks for the blog post.

      Also, as i may have mentioned, what annoys me the most is that they didnt survey any of the planets, they just plopped down like uninvited guests, and messed everything up. Here we are in the real world following a comet for a month before sending a small probe on it. Terrible risk management is not a good plot device!

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    5. Haha, thanks cezx. You really have done your homework haven't you? The 130% spin brings a new spin to the theories flying around. The increased spin on a planet fully covered with water would even influence the creation of the waves. On top of that we have the tidal effect. This is starting to make more sense now.

      Yep, I guess deep down it is hard to accept after the flawless execution of Inception, Nolan has left us with a bunch of plot holes.

      Bootstrap paradox has been ignored by even the pure time travel based movie - Back To The Future. But great Scott, did we have fun watching or what! :)

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    6. Speaking of inception! Its not a plot hole, but it is anticlimactic - The ending is not epic. For two reasons, - One is something to two with the ring on his finger, search youtube for this. The second - I noticed that when Leanardo and whats the girls name escape that dream with the train, and he quickly goes and spins the top, (she asks whats that? its a measure to ensure you are not dreaming) The top falls, indicating that he is in the real world, therefore in the ending he would have been in that same reality state and so its not a shocking ending. But I havent seen inception in like 5 years so I dont recall much of the movie (my memory is hilarious, I know) Anyways, not a plot hole but something that may have gone unnoticed during the whole movie production!

      Back to interstellar though - I really think society needs more awesome space movies like this.

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    7. Yep, Nolan just messing with people's minds in that last scene for his personal evil fun. Here's an earlier post from Inception - http://digestivepyrotechnics.blogspot.com/2012/03/inception.html
      It might just jog your memory :)

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    8. "even merely entering the event horizon comes with enough shear forces that will rip apart the ship and Cooper in a fraction of a second" -- That actually isn't true, it may seem counterintuitive but the more massive a black hole is, the weaker the tidal forces at the event horizon, and the one in Interstellar is supposed to be a "supermassive" black hole 100 million times more massive than the Sun. See the links and quotes from scientists I posted at http://scifi.stackexchange.com/a/72770/22250

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    9. Well, tidal forces at the event horizon? Tides have to do with water bodies, what does it have to do with the event horizon of a black hole?

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    10. Johnny, "tidal force" is physics lingo for differing gravitational pulls on different parts of an object (because different parts of the object are at different distances from the source of gravity, and gravity gets weaker with increasing distance from the source), which can stretch or compress it along different axes--I think this is what Digestive Pyrotechnics meant by "shear forces", since a tidal force on an object is a type of shear force. The name comes from the fact that tides on Earth are due to the gravity from the moon pulling different parts of the Earth with different strengths and directions, see http://en.wikipedia.org/wiki/Tidal_force for details, but the term is used in a more general way, and I've often seen physicists refer specifically to "tidal forces" in explanations of why things get ripped apart if they get too close to a black hole. For a small black hole, if you were falling in feet first, then by the time you reached the event horizon the pull on your feet would be so much stronger than the pull on your head that you'd get stretched out like a piece of spaghetti--physicists actually use the term "spaghettification" for what happens when the tidal force on an object approaching a black hole become large enough to stretch it this way. But like I said, for a very large black hole, the tidal force on you near the horizon would be much weaker so you wouldn't get spaghettified there.

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  2. The "time slippage" does not just happen when they arrive on the water planet (Miller’s). It's the Black Hole’s Gravity that's causing it. Not the actual planet’s gravity. Anyone disagreeing with me on this point, needs to see the movie again. They clearly state this in the film - “The Black Hole’s Gravitational effect on the Planet”. The remaining astronaut orbiting the planet in the ship would have the exact same slow age effect because he is near the Black Hole too. Maybe even closer. I guess they aged a million years when they went nudging the Black Hole at the end. Cooper into it (I can’t stop laughing at that one) and Brand very nearly into it. In fact they were closer to it there than at any other time in the movie. I mean, I guess Nolan just said to everyone (and himself) “No one will notice!”

    Also, how does the little shuttle blast off so easily into space with 130% the gravity of Earth? It took a ship the size of the Chrysler building to lift off of Earth into space!

    Why isn't the lonely astronaut, awake and alone for 23 years, completely off his rocker? Matt Damon (Mann) took a nice long nap and still became a homicidal lunatic.

    Why is the worm hole at Saturn? Couldn't future US have been a little more considerate and put it, say, near Mars?

    Guess no one ever associated with this film read War of the Worlds. Poor Martians. Lil' O'l Bacteria wiped them out. But I guess no one cares about the Alien Microbes (or Macrobes) awaiting humans on an Alien Planet with "Life". Just easier I guess to leave good old Mother Earth behind than fix all the damage we caused. So once we get to our new "home" and move in, I guess we'll get straight to work destroying that one too. Hey, no worries, I'm sure there will be another worm hole waiting for us when that happens!

    I can go on and on…

    Just like Cooper!

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    1. I agree with most points you raised. I think that the remaining astronaut wasn't orbiting the planet, he was stationed away from the time shift effects...maybe. Yeah and that 130% g take off..... not many people noticed haha! Its arguable that Matt Daemon's character was nuts from the very beginning, where as the other astronaut was just, such a nice guy.
      At the end, they probably aged a lot! But Cooper was spat out of the black hole near saturn, by 5d humans who have time travel capabilities through the 5th dimension, so maybe they let cooper get back just in time to see his dying daughter (as a sick joke).
      My biggest issues are the bootstrap paradox wit the coordinates and the fact that they didnt survey the planets before abruptly landing to deadly surprises. An observation or two wouldve revealed the tides, and the fact that matt daemon landed on a fridge (I wouldve defeinitely opted for the warmer planet)

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    2. Yeah, WTF, tidal activities of such nature would have been visible from the ship they were on. THey didn't have to dive into the planet.

      Oh the mothership is not in the gravitational effects of the black hole, only the planet is. Therefore, only cooper and amelia don't age. The black guy on the ship ages as much as people on earth. That proves that the time slippage happens only on the planet, not on the ship.

      the 130% gravity is also balanced by the fact that there is a giant gravity effect from the blackhole - causing insane waves. Ideally the side of the planet facing the blackhole should have had far less gravity pull than the opposite side. Since they were on the side facing the blackhole, basting off wouldn't be the problem, trolling happily on the ocean bed would be.

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    3. You wrote: "At the end, they probably aged a lot! But Cooper was spat out of the black hole near saturn, by 5d humans who have time travel capabilities through the 5th dimension, so maybe they let cooper get back just in time to see his dying daughter (as a sick joke)."

      What about Brand (Hathaway)? She aged A LOT just like Cooper. So if he "time traveled" back to see his daughter (just in time), where the hell is he going with that ship he stole? Remember, he's going back through the worm hole (supposedly) not through the Tesseract. So when he gets there Hathaway will be not only be Millions of years old, but not even there as she won't even get to the 3rd planet until millions of years after Cooper returns. See? Nolan again saying..."They won't notice!"

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    4. "the 130% gravity is also balanced by the fact that there is a giant gravity effect from the blackhole".

      Wrong George. You simply can't have it both ways. The pull from the Black Hole contributes to what the overall / final gravity is on the planet. In this case - 130% of Earth. That's why they feel so "heavy" there? Get it? The gravity can't be so heavy one moment and wham! light the next so they can easily fly off..doesn't work that way...

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    5. What I'm saying is, unlike earth, Miller's planet could have never had a constant gravity. Gravitational pull on things on the planet would be influenced by two things.
      1) Mass of the planet, mass generates gravity, more the mass, more the gravity.
      2) Mass of the blackhole, it's gigantic and the planet is damn close to the black hole, unlike sun and earth, the gravity on the planet would work differently.

      While on the day side of the planet - objects on the planet like the water, Cooper and the crew, the spaceship, etc will get acted on by two gravity fields one of the planet and one of the blackhole. these who fields will be in opposite directions. The planet's field will be inward, the blackhole's outward. If we take the ocean as an example - the water stays on the planet due to the planet's gravity and yet it yanked upward due to the blackhole's gravity.

      On the night side of the planet, the gravity of the planet and blackhole would be in the same direction. there would be no outward pull, only and inward.

      In effect - on one side of the planet you'd have to be lighter than on the other side. 130% being a constant on a planet that close to the blackhole wouldn't make sense. On the day side it would have to be lesser than earth and on the night way more. Since they were on the day side, they can take off easily, but should have been more light.

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    6. The tides are explained by this crazy guy: http://ikjyotsinghkohli24.wordpress.com/2014/11/07/on-the-science-of-interstellar/. His nuts math claims to explain why the gravity wont be much different on the other side of the planet. Thats getting into teritory that I have no expertise in (let alone all of astrophysics, im an amateur)

      As for the aging thing - Cooper and Brand are the same age. As Cooper goes into the black hole, who knows how long Brand's time passes, since Coopers time goes by extremely slow, BUT he is transported back in time to when his daughter was old and on her death bed - Hathaway aged slower than the daughter since she was also quite damn close to the black hole (close enough for cooper to sacrifice himself) So if cooper was sent to a time when his daughter was 80 or something, Brand wouldve been like, 40? 50? The ending glimpse of her is a glimpse of her is a glimpse of her landing on the planet and setting up a small camp - this would've been a glimpse into the past, (OR its possible that she was close enough to the black hoel to experience no aging during the daughters old age.... again the control here is the daughter and the time shift fact...)

      I also need to watch the movie again but I was recently informed that the tide planet was spinning at 130% earth'r rotation, not its gravity?

      Im not sure, these are my expalantions though, most of the logic is explainable in the movie, even though some stretches are required! The only unexplainale thing is the bootstrap paradox (time traveller's paradox) whereby he gives himself the coordinates with the sand.....

      I dont know, what do you think?

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    7. Also, gravity is not a force. o.0

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    8. Wasn't (G * m1 * m2) / r^2 the gravitation force between two bodies? That would make it a force wouldn't it?

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    9. hmmm .. looked like the wave pattern suggested that the higher water surface from the ground is due to the inability of the planet to keep the water body closer to itself. Hard to imagine how the wave pattern would remain the same at night.. not enough grey matter in me for that.

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    10. Astrid - I don't know, I was jsut trying to trip everyone out! haha. But your equation is based on Newtonian Physics, where as Einstein's relativity basically describes gravity as a result of space time curvature, hence there are certain situations where gravity cannot be newtonian, since newtonian laws cannot account for certain astrohpysical phenomena. I copy pasted this from wikipedia. Diving further into this topic would make my brain explode.

      "In general relativity, the effects of gravitation are ascribed to spacetime curvature instead of a force. The starting point for general relativity is the equivalence principle, which equates free fall with inertial motion and describes free-falling inertial objects as being accelerated relative to non-inertial observers on the ground.[7][8] In Newtonian physics, however, no such acceleration can occur unless at least one of the objects is being operated on by a force." - wikipedia http://en.wikipedia.org/wiki/Gravitation

      Really makes you appreciate Einstein's thoughts

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    11. George, you're missing the fact that the planet is in free-fall (like all orbiting objects), and thus doesn't directly feel the black hole's gravity (it only feels only *differences* in the black hole's gravity from one point to another, i.e. tidal forces). Same reason people on board a shuttle in low Earth orbit feel weightless, even though a person standing on a platform at the same height would feel a gravitational pull only slightly less than at the surface. The 130% gravity on Miller's world is simply due to the planet's mass and radius, not the black hole's pull.

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  3. You might really enjoy this: http://ikjyotsinghkohli24.wordpress.com/2014/11/07/on-the-science-of-interstellar/

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  4. Wrong Again, George. It makes no difference regarding “constant” gravity. That is absurd. First of all, not even close to being anywhere in the movie. Second, your “constant gravity” theory wouldn’t account for the STEADY 130% Earth’s Gravity where they are right now, wading and walking around in water. Not on the “other side of the planet”. The effect that happens and which allows them to fly so easily into space and break the 130% Earth’s GRAVITY would be akin to putting FLUBBER on their shuttle. And I am quite sure that didn’t happen.

    And if there were some sort of “non-constant gravity effect” it would have to be very extreme to cause them to break 130% Earth’s Gravity in such a tiny ship, with little fuel, on a massive planet much larger than earth. If it were that extreme, one minute 130% Earth’s Gravity one second, little to none the next, so their ship could fly, it WOULD RIP THEM and the PLANET TO PIECES.

    So admit you are wrong and Nolan didn’t bother to think it through. No matter “what you are trying to say”.

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  5. "cezx" is FULL OF IT. It is clearly 130% Gravity. NOT SPIN. Why are people just making stuff up? They actually said it TWICE. "Gravity is PUNISHING". Then..."It's 130% Earth's Gravity". Nothing about SPIN.

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    1. Dude, I am not sure myself, someone brought it up so I brought it up. I wasn't trying to instill it in everyone's mind. I didn't even bother looking into it actually lol. Ill just go watch the movie again (and come back with even more holes... ha). Anyways if its 130% of Earth's gravity then they messed up with that super easy take off. I did say it twice lol!! Thanks for noticing :) Later.

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    2. Sorry re-read your comment again
      "They actually said it TWICE. "Gravity is PUNISHING". Then..."It's 130% Earth's Gravity". Nothing about SPIN."

      Thanks for clarifying. I was wrong. So another hole unanswered then.

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  6. well in the film they travel through the wormhole created near saturn.
    just thinking what will be effect of gravity of that wormhole on to the earth and other planets rotating around sun. wouldn’t their paths change? this may have devastating effect on the day cycle, earth gravity, tidal waves etc.
    another question is if the warmholes have prominenet gravity then wouldn’t it rip part the spaceship and just pass on some random molecules to the otherside?

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    1. wormholes are just shortcuts in space time travel..its expalined in the movie..i dont know whether it has such a big gravitational effect..

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  7. My point was that - STEADY 130% gravity is incorrect. That would apply only to regular planets near regular stars. Nothing is going to be steady in Miller's planet.

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    1. Really? Well 1 hour of time on Miller's Planet - 7 years on earth due to the Gravitational effect of the black hole. Seems like a pretty steady gravitational effect to me.

      Just admit it. You have zero idea of how they are able to get such a small ship, with little fuel, into orbit from a planet with 130% Gravity of Earth when it took a skyscraper sized vehicle to just get into Earth's Orbit.

      And yes, it is steady. It is proven by how they and other things move on the planet and the steady effect gravity has on the time there. Nothing you have "theorized" comes even close to a plausible explanation.

      Oh and by the way, if it was due to this bizarre unsteady fluctuation, how do they even know about it? Moreover, how could they even use it? They themselves were surprised just how close the planet was to the Black Hole and were UNPREPARED. So how would they even proactively plan to get off a planet with 130% Gravity of Earth? I'll tell you how...Nolan didn't think about that and if he did he was hoping no one would notice.

      It's just like when Brand questions Cooper about flying right next to the Black Hole (massively speeding up the lost years). "What about the time slippage?" What was Cooper's response? "We can't worry about relativity right now". I laughed my ass off. That was Nolan himself throwing up his hands.

      Nolan just wanted to push the plot further and those pesky plot holes be damned..

      And you are one of his Disciples.

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    2. Ok let me clear the confusion. You feel there is a flaw of escaping the planet's gravity with that tiny little ship. The difficulty being the constraints which have been intoduced by Nolan, primarily the 130% gravity. I feel the flaw that Nolan has created are the constraints themselves - constant gravity which can be represented by a simple equation of 130% of earth's gravity. The simple equation of 1 hr is 7 hrs on earth. The constant behaviour of waves. A still 2 feet of water (that the author is pointing out). What you consider justified based on what is shown in the film, I'm saying those are itself not correct. Getting off the planet is only a small aspect of the flaw. Hope you got it this time around at least oh anonymous one.

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    3. The other person is correct George. Sorry, give it up. The points are valid. And you even wrote " I feel the flaw that Nolan has created are the constraints themselves." So he has indeed made flaws in the film. The "flaws" are in the film. It's as simple as that.

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    4. Jack, what gave you and anonymous the feeling that anyone was trying to say that the film that Nolan has made is without flaws?

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    5. Really now, what's your problem George? It is ok to admit that this Nolan movie has flaws. Jeez, these fan boys I tell you.

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  8. What bothers me about this isn't the physics of the planets themselves, but how they hell they found them. Especially that super close water world. Currently we're able to find other planets by seeing light/gravity fluctuations on their object of rotation, and with it being a black hole neither would apply.

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    1. Perhaps the human race is now slightly more advanced?

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  9. Matthew McConaughey explains Interstellar, nine months ago, as Rust Cohle!!
    https://www.youtube.com/watch?v=CyDkfuSoZJA

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  10. First of all, please forgive my poor english as it is my 2nd language. But i would like to give you my take on point number 4. When cooper and amelia were being pulled by the gravitational forces of the black hole, they were already on the edge of the black hole, so time on earth would have significantly moved faster, probably few decades. Which of course explains why murph got so old. On the other hand, i'd like to think when cooper was released from the endurance and got sucked into the hole, the timing difference between amelia and him were few minutes different but on present time, it could have possibly been few years difference. Perhaps less than 5 years? So by the time cooper reaches edmunds planet, she might be slightly older than him but not much difference.

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    1. But Cooper spends a lot of time inside the black hole in the tesseract. That would cause Amelia to a age a lot more than 5 years. Perhaps not as much as Murph, but at least half of that. 20 years may be?

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    2. Good point. I forgot to take that into account. Perhaps time does not work like how it should have been in the tesseract? My take on this is the future human beings who constructed them created time as something that is controllable. Perhaps, when he was in it, time has stopped moving. This of course does not make sense at all but i prefer to see it that way just to make sense out of it. Back to your point, it is indeed possible. What we saw in the final scenes where she set up the camp could have been few decades earlier in the present. So by the time cooper got to edmunds, she is already an elderly.

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    3. He ain't gonna be banging her for sure! :)

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    4. In the initial script developed for spielberg, they end up becoming lovers.

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    5. Glad they left that part out :). This was a good ending.

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    6. @Amit: There was no "time" in the tesseract"
      Everything in that room was happening at the same time. Only sorted on something like a Time"line".
      Cooper said that the 5d beings / humans can't get a grasp of which day / year / time important is.
      Time for them is like length or weight for us. They did not know where to start because they already "passed" so much time, but it does not matter to them. So they let Cooper decide what to do. After the message was given to Murph, they closed this tesseract and did let Cooper fly out of that wormhole the same moment he entered the tesseract.

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    7. Anonymous, it is not the same moment he entered the tesseract that he exits the wormhole. Murph has aged to be a dying old lady, so obviously time has passed for everyone but him.

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    8. The answer to #4 is contained in the summary. Dr brand goes to the edmunds planet that is also near the black hole so therefore will slow her aging relative to earth.

      "Cooper and Amelia have an argument about this. Cooper wants to pick Dr.Mann’s planet as it does not have any major impact on relative time and Cooper can get back to his family. Amelia was in love with Dr.Edmund and hopes he’s still alive. However, that planet is close to the black hole and will have consequences to the relative time. "

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  11. Odd how you ignored the most important plot hole, the chicken or the egg problem. If humanity, in the future, opened up a wormhole/created special blackhole-5th-dimensional-bookshelf-relay-station to save itself in the past, how did the future humanity survive to send the past a message/help? If the past is dependent on the future, and the future is naturally dependent on the past you have an unsolvable impossible paradox. Back in time stuff always breaks good stories :/

    Note: I also noticed that during one shot on iceplanet, Cooper's helmet's reflection was a reflection of grass, mountains and sun. :D They forgot to Photoshop the reflection of the place they were filming from out!

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    1. Anonymous #1, that reflection bit is keen observation, we must go back and watch this. Thanks!

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    2. Actually there's nothing logically paradoxical about causal loops like that, and physicists who think about the possibility of time travel in general relativity (like Kip Thorne, who worked on the movie) tend to treat this notion of a single self-consistent timeline (which can potentially contain such loops) as the most plausible model of time travel--see my post on this at http://scifi.stackexchange.com/a/78787/22250

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    3. Actually JesseM, that is not true at all, the paradox is called the predestination paradox. There is a whole movie just around that paradox called Predestination, have a watch. The paradox deals with the problem of not having an origin to an entity caught in the causal loop.

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    4. Kim, the word "paradox" can be used both for something that involves a logical contradiction, and also for something that is just very counterintuitive or strange but doesn't involve any logical contradiction, and a "predestination paradox" is the second type of paradox, not the first. There's nothing logically impossible about an object with no origin whose path through spacetime is a closed loop, and in fact physicists have concluded that such things are theoretically possible in Einstein's theory of general relativity (though they may be ruled out by a future theory of 'quantum gravity', like string theory, which would supercede general relativity), they go by the name of "closed timelike curves": http://en.wikipedia.org/wiki/Closed_timelike_curve

      In any case, I think "predestination paradox" just refers to a situation where a person's (or group's) trip back in time has an effect that motivates or helps the younger version of the person/group to later make that same trip back in time (like what happened in Interstellar, assuming "They" are the descendants of humanity), whereas a situation where some physical object or information has no origin because of a causal loop is called an "ontological paradox" or "bootstrap paradox".

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    5. JesseM, I understand why you feel the definition of paradox need not be something to do with a logical contradiction. While the grand father paradox's paradox talks about the flaw in the very existence of that time loop, the predestination paradox's paradox is not about the stability of the loop. Like you mentioned there is nothing logically incorrect about the existence of the closed loop. The loop is stable and can exist.

      However, Interstellar merely scratches the surface of the Predestination Paradox scenario. In Interstellar it's merely information exchange that is part of the time loop.
      Now, consider this example quoted in the discussion of "Predestination" in this site. Joe and Sally are good friends. Joe has a toy made in China. On the 7th of March 2010 Joe takes the toy and goes back in time to 1st March 2010. He meets Sally of the past and gives her the toy. Joe from the future asks Sally to meet Joe from her own timeline - the 1st March 2010, and give the toy to him. After this Joe goes back to 7th March 2010 and continues with his life. Sally on the 1st of March 2010, finds Joe of her timeline and gifts him the toy. Seven days later, Joe takes this toy and travels back in time.

      Now, this toy, which is made by humans in China... who manufactured it? It is with Joe and Sally all through it's existence. This is no longer just information created in the loop. Matter is simply created and sustained without any energy going into it's creation. Again, do watch Predestination. I don't want to spoil the movie for you, but what I've spoken of about Joe and Sally is also merely scratching the surface of the paradoxical situation that this form of a stable time loop can pose.

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    6. Kim, like I said, what you are talking about is actually a "bootstrap paradox" or "ontological paradox" rather than a predestination paradox, see the explanation http://en.wikipedia.org/wiki/Bootstrap_paradox -- this isn't a logical paradox either but it is a lot harder for me to believe the universe would contain highly ordered structures like toys whose existence was a closed loop, it would seem to imply some kind of "intelligence" on the part of the universe (bootstrap paradoxes involving individual particles, or random high-entropy groups of them, seem a little more plausible). I don't think there are any bootstrap paradoxes in Interstellar though--there would be if humanity's descendants simply handed Cooper the "quantum data" which they had themselves inherited from Murph long ago, but instead they allowed Cooper and TARS to fall into the black hole, discover the quantum data inside themselves, and only after that transmit it to Murph. So this information does have a conventional origin, in TARS' sensors picking up readings during the trip inside the black hole.

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    7. Nope, you have it wrong.
      See this:
      http://en.m.wikipedia.org/wiki/Predestination_paradoxes_in_film
      This has both Predestination and Interstellar in it.
      Terminator has the similar paradox too. John is responsible for his own birth.

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    8. What specifically do you think I have wrong? I agree with that wikipedia article, since Predestination features both the predestination paradox and the bootstrap paradox, and I also agree that Interstellar features a predestination paradox. The claim of yours I was disagreeing with was that predestination paradoxes features objects or information whose existence is a closed loop, like the toy you described--that's a bootstrap paradox, not a predestination paradox, and nothing I've seen in either wiki article says otherwise (if you think it does, can you give a specific quote?) A predestination paradox is just one where someone goes back in time and does something in the past that ends up being an essential cause of their decision/ability to make that same trip back in time, like if I am a historian who was always fascinated by the Great Fire of London, so I go back in time to investigate it, and end up accidentally causing the same fire which then causes my younger self to want to go back in time to investigate it. There's no bootstrap paradox there, since there's no physical object or information without a conventional origin. Similarly, Interstellar features a predestination paradox involving humanity as a whole, because the decision by humanity's far-future descendants ("They") to give Cooper the ability to relay the quantum data back in time to Murph is what enables the human race to avoid extinction and later become those same far-future descendants with the power to transmit gravity waves back in time. The information itself doesn't form a closed loop though, since TARS got it in a normal way using sensors during their trip into the black hole.

      Here's the definition of predestination paradox on wikipedia: A temporal causality loop is a scenario in which some earlier event #1 is the cause of (or at least one of the causes of) some later event #2, and through time travel, event #2 is also the cause of event #1. The paradox occurs when a time traveler is caught in a loop of events that "predestines" or "predates" him or her to travel back in time. In this case, event #2 would be the event of the time traveler going back in time, and #1 would be something that time traveler did in the past that in turn influenced him or her to travel back in time.

      And here's the definition of a bootstrap paradox: The bootstrap paradox, or ontological paradox, is a paradox of time travel that refers to scenarios whereby items or information are passed from the future to the past, which in turn become the same items or information that are subsequently passed from the past to the future - this creates a circularity of cause-effect such that the items or information have no discernible origin.

      Do you disagree with either definition?

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    9. What if a single being is "solely" responsible for his/her own creation because of a time loop? Is that being a result of the predestination paradox or bootstrap paradox? Birth is merely an event, isn't it?

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    10. Nothing in the definitions suggests that predestination paradoxes and bootstrap paradoxes are mutually exclusive--as I said, I think the movie Predestination involves both.

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  12. You people over analyze too much. Just enjoy the damn movie and take it for what it was. It could have been a lot worse-- they could have casted Megan Fox as Dr. Brand and consulted the Dr. Phil version of a physicist. And then had Ben Affleck be the part of Cooper.

    (shudders)

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  13. Nolan expects us to over analyze I suppose, that sneaky bugger. We're caught in his trap.

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  14. #1 : Irrelevant
    #2 : Relayed information through repetition!
    #3 : The tesseract was inside the blackhole beyond the horizon
    #4 : Time is relative on this planet. Rotating around a black hole. First planet was 23 years on earth. Amelia was on 1 that had a longer time compared to that on earth
    #5 :Gravitational pull from black hole. Same way our moon's gravitational pull affects our oceans' waves
    #6: They didn't know plan A would not work when they sent first group into space
    Peace and love! Great job Chris Nolan! Wooh!

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    1. Ah, here's another guy missing the point.
      The shuttle can't simply blast off like it did on Miller's planet.

      #6 Dr.Mann already knew that plan A could never work. He and Dr.Brand knew of this, he even says so. Amelia doesn't know of this....

      You are wrong, another disciple of Nolan (like George above). As I commented earlier, this movie is filled with pesky plot holes!!!

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    2. Dude, Nolan is one of the best directors of our times, it is perfectly fine being his disciple.

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    3. Anonymous, we do not have space ships traveling so fast into space, and you worry that present day rockets would not be able to break 130% gravity with such tiny engines? Suspend your disbelief on starships, not on rockets? Strange ...

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    4. Finally, someone comes to my rescue. Good point, if a tiny ship can travel such large distances into space, 130% gravity should be no biggie as well.

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  15. My guess is Amelia should have been a little older than Cooper, but much younger than Murph.
    REMEMBER: Amelia is on Edmund's Planet, and Edmund's Planet ALSO has time dilation, like Miller's planet. That's why Cooper ddn't wnat to go there and preferred to go to Dr Mann's planet.

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    1. Yep, so it's safe to say that the last scene with Amelia on Edmund's is sometime in the past for Cooper.

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    2. But remember that Amelia also experienced a large amount of time dilation when they did the maneuver that brought the Endurance near the horizon (Cooper had the line "That little maneuver cost us fifty-one years"). I don't think you can necessarily assume that Cooper experienced a huge amount of additional time in his brief fall through the horizon before he was scooped up by the tesseract--someone would have to do the calculations, but in general relativity time dilation isn't just a function of distance from the center of a rotating black hole but also depends on the path through spacetime, for example if someone is using their rockets to hover at a fixed radius and angle from the center of a rotating black hole, they will age much slower than someone who orbits at the same radius (the time dilation for a hovering observer actually goes to *infinity* at the radius of the "ergosphere", and it's impossible to hover at a fixed angle any closer than that, but it's possible to orbit at this radius or smaller with a finite time dilation factor).

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    3. JesseM, the general idea that people are talking about here is that since Cooper and Amelia separated, and Cooper entered a tesseract that was free of time, there is no saying at what point in Amelia's timeline Cooper might meet up with her. The movie however shows Amelia on the planet setting up camp at the same time Cooper steals the jet to go to her.

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    4. Fido_d, in "The Science of Interstellar", it was mentioned that one of the rules Christopher Nolan came up with is that only gravitational signal could travel back in time--objects made up of non-gravitational forces, like Cooper, could not directly return to their own past, only passively view it or send gravitational waves back to influence scenes they were viewing. So according to that logic, Cooper couldn't have been deposited anywhere in the "past light cone" (a term from relativity, see http://www.pitt.edu/~jdnorton/teaching/HPS_0410/chapters/spacetime/#Light for details) of the point in spacetime where he was scooped out of the black hole by the tesseract, so the scene of Amelia setting up camp must have been a point on her timeline that was outside of his past light cone at the moment he was scooped up.

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    5. (and if the 'past light cone' concept is confusing, another way of putting it is that if Cooper had been carrying a very powerful telescope trained on Amelia as he fell into the black hole, then although he might see her begin to speed up, at the moment before he was scooped up by the tesseract he would still be seeing her at a point before she started setting up camp on Edmunds' world)

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    6. I understand that Cooper didn't travel backward in time, but he could have ended up travelling forward in time much slower than Amelia because of his entering the tesseract inside the blackhole while Amelia pushed her self further and further away from the blackhole towards the planet that she's slinging herself to. Time that Cooper spends in the tesseract translates to over 50 years on earth. This may have translated to 15years for Amelia as she has some amount of time dilation herself. The final scenes of the movie, in which case, need not be at the same point in time, they could be many years apart.

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    7. Well, I think it was implied that the final scenes with Amelia were meant to be happening around the same time that the elderly Murph was speculating about what Amelia was doing. Murph had apparently been told about Cooper and Amelia's trip near the black hole and so could calculate the amount of time dilation she'd experience and how long it would take her to get to Edmund's world, and Murph said in the end "maybe, right now, she's settling in for the long nap", as we saw the scenes of Amelia doing exactly what Murph described. It would be a strange trick for the filmmakers to play if Murph was actually totally wrong and these scenes that Murph was narrating had actually happened decades earlier.

      Plus, after Cooper and Murph swung in close the black hole, Cooper said "That little maneuver cost us fifty-one years", and given the Murph was already in her 30s or 40s the last time he got a message from her, that would fit with the idea that the age Murph was just before Cooper dropped into the black hole (when he was still right next to Amelia and she had aged by the same amount as him) was about the same as the age she was when the higher-dimensional beings dropped him back into normal spacetime near Cooper Station.

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    8. (whoops, I meant to say 'after Cooper and Amelia swung in close to the black hole', not 'Cooper and Murph')

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    9. Exactly, that implication in the last scene is a plot-hole, the fact that a human falls into a black-hole, survives the gravitational forces of the point where even light particles can't escape, and then happens to have the exact time dilation as his chick in a ship that doesn't enter past the event horizon and meet up with her for a happy ending... just seems very improbable, abrupt and not too convincing. Murph is in her mid 30s before they set off on their black hole sling shot. When Cooper's done, Murph is on her death bed late 80s. That's 50 years for the few moments. Amelia on the other hand spends her time further and further away from the gravitational fields causing time dilation. There is no way Cooper and Amelia suffer the same amount of time dilation. I'm fine without the happy ending as it just seemed too forced.

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    10. Like I said, I think someone would actually need to do the calculation to figure out how much of Amelia's timeline would actually be in Cooper's past light cone at the end of his brief fall through the black hole. It might work out that in his trip of maybe a minute or so after dropping away from Amelia but before being scooped up by the Tesseract, Amelia experienced more time but only by a few weeks or months, and it might have taken her that long to get from near the event horizon to Edmunds' world, depending on how far it was. Or it might indeed work out that she would have experienced many years and this would be a plot hole--but I don't think you can just assume that without doing the calculations, since as I said above time dilation in general relativity is complicated and is not simply a function of distance from the center of the black hole (see my comment about how an orbiting observer and a hovering observer can experience very different amounts of aging even if they are at exactly the same radius).

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  16. I am still surprised about the light source to these 3 planets...all they had was a blackhole which sucks in light..but Cooper and Co always found these planets to have enough light..!!..surprising..any xplanation to that????

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    1. The planets received heat and light from Gargantua's accretion disk. The disk has the following properties:
      1. Has the temperature of the Sun's surface
      2. Due to a low temperature, the disk doesn't emit harmful radiations

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  17. The ranger ( or lander, I don't remember which) gets off Miller 's planet using what is known as Single Stage to Orbit (SSTO). The lunar Landers did this, too. So, on Earth, they use multistage rocket to save fuel on board the Endurance and also because it is generally more efficient than SSTO. However, on Miller's planet, SSTO is the only option.

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  18. To paraphrase the words of William Shatner from an SNL episode:

    It's just a movie-- get a life!

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  19. 1. Dr Mann was added to show how strong is our survival instinct, and a good person can do crazy things to avoid death.

    2.Information relayed via repetition.

    3. That is the general point of view, but it is not proven since nobody got close to a black hole yet, and since the laws of physics might not apply in the way we think it would or should. Or, the 5D humans who where able to construct a 5d room inside a black hole, if they could manage that i don't see why it would be too far fetched that they helped him not to get destroyed.

    4. This depends on the perspective. Considering that Coop was in a 5d space, that means he was in an other dimension, out of time. In the middle of a black hole, there is no time, he sees what was and what will be, in that room. And i think you got it wrong, the one who ages more should be Coop. Considering they where both so close to the black holes event horizon. They should age at the same rate. But since Coop is out of time in the 5D Room.Take it like this, you just think Coop spent a lot of time in the 5d room, it was just a fraction of a second.
    So when he gets out he is the same age as Amelia, and she is still very close to the Black hole but distancing from it. So Coop now in the earth time sees that 80 years passed, since he started going for the black hole and arriving to the event horizon.

    Now Coop is in earth time and Amelia is distancing herself from the black hole,but still close maybe not as Close as the water planet is where 1h=7 years. But for here time moves slower at the moment Coop is spit out of the 5d room, but since she is going away from the black hole, the time difference should soon align with Coops. So it is perfectly possible that Coop can find here on Edmund's planet, and even bang here, if he wants, just that he would be a few years older then Amelia, like 5-7 years older.

    In theory Coop could arrive even before Amelia on Edmund's planet, depending on the distance between the Endurance ship and the black hole, in the moment Coop is spit out from the 5 th dimension. Or arrive a few weeks later then Amelia, it's all relative and depends on the distance, so it is plausible that Coop and Amelia to meet on the planet almost with the same age, or Coop being a little older.
    5. Well i am not sure about this one. But from what i have seen, and understood, the whole planet was covered with water. A lot of water, but the bulk of it was stored in the giant waves. Now if the waves have a rhythm, and spaced evenly. It might be possible to be as was depicted in the movie.
    The Ranger, could have flown away just as easy on Earth too, but they sent it up to conserve fuel with a rocket, seems very logical to me.

    6. Probably because they did not have the resources to build 12 ships as big as the mother ship Endurance. In the movie it show clearly that Dr.Mann and in the final scene Edmund's ships are a lot smaller, and could not have transported the infrastructure necessary to establish a colony.

    So they sent 12 ships out to each planet, to find out which one is the top choice, and human friendly.

    And built one large ship, which can carry all the tech, infrastructure enough food/water or whatever they thought necessary to establish a colony. And that one big ship, would go to the most promising planet, but in order to find out which planet is the most promising they needed first to send those man with smaller ships to find out. And send a signal back, so the big momma ship nows where to go.

    But i must admit it is a harder movie, and needs at least 2 views to kinda get it, i enjoyed it very much, and i honestly don't think there are plot holes in it. Or for sure not as many as people talk about. But in the end it's a sf movie, and we should enjoy it not argue about it.

    Cheers.


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    1. Every single point you made is wrong.

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    2. You saying it is wrong does not make it wrong. And me saying it is right does not make it right. But to say every point is wrong seems a bit overzealous. This is how i see it, and i don't see how points 6 doesn't make sense to someone.

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    3. Wow, thanks for taking the time to write the elaborate points Anonymous!

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    4. For point 4, being in a timeless place, inside a black hole and being near a black hole is entirely different. Being in the 5D timeless place has no consequence on time. Before he's in the 5D space, he's in the blackhole for a while, this is what causes the time on earth to pass by in decades. The mere minutes in the blackhole. Edmud's planet is not as close to the blackhole as Miller's is therefore has a lower dilation of time. Coop would perhaps be 25 - 30 years older than Amelia. In those years she may or may not have survived. Even if we go with the 7years later logic, same applies. The movie shows it to be concurrent time, which is not is the point.

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    5. Yes, the point you made is a possible one. Is it right? It might be, but nobody can say for sure. Why?
      Because we do not know the distance between Endurance and the Event Horizon when Coop detaches.
      And also we do not know the distance between Endurance (Amelie) when Coop is spit out to Earth time.
      We should bare in mind that when Coop detaches from the Endurance ship, time is going slower for him and faster for here, until Coop hit's the Event Horizon, but we should also not neglect that when Cooper gets out from the 5D room time pases faster for him and slower for Amelia. But it's relative and all the variables depend on the distance between the Mother ship and the Event Horizon,before Coop detaches, and after he leaves the 5d Room.
      In theory they could meet on Edmund's planet the exact same time. Now the question is, are they the same age as they met last time? Highly doubt it.

      Anyway C.Nolan does not give specifics, is it probable what the movie showed? Not really. Is it possible? It just might.

      I did see Predestination, very good movie, but you should also look at "Los cronocrímenes". This movie will make you mad. Is it viable? Sure it is.

      In the end i still think that C.Nolan's movies are very enjoyable and Interstellar is no different, the score is great, the connection between father and daughter is great. The science is true, the theory it uses is it proven?. No. Is it disproved? No.

      The way i see it, take a paper,mark one corner with an A, and the other corner with a B, in the middle put a DOT. That Dot can not fold the paper or have any influence, can not move, he is a simple DOT. But if you fold the paper from A to B in the middle, the dot's coordinate projection will be exactly the same. The DOT will be in A and B at once, at least that is what he will perceive. For the DOT it will make no sense, for the person who made the DOT and who folds the paper and is in another dimension will make perfect sense.
      Another example is take a line, mark one and with A and another with B, mark the middle, now fold from A to the dot, and from B to the dot. Every time fold from the outhere edge of the line, to the dot, it's and infinite process in theory, but if you consider that you did this for an infinite time, the outher edges will meet in the DOT. The same applies, he will be on paper in A and B at the same time, That DOT(WE humans) could never understand it how is it possible, but for the person, beign who does the folding it will make sense.
      In the movie we are the DOT, and something else does the folding. Does it make sense for us? Hell no. We see time linear. For something in a higher dimension? Call it God, 5d Human, Allah, Buddha, whatever you want. Can it make sense for him? Probably.I am not sure we will ever know.

      But a movie is a movie, we should never over think it since it's just an instrument what brings us joy or it does not. Nobody obliges us to like something, it depends only on us.

      Did i like the movie? I sure did, i think it's one of the best movies since 2010, why? considering all the garbage that Hollywood makes these days, the movie is a diamond in the rough. It could have been better made, sure, could i have made a better job considering the story,plot,science behind it, probably not.

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    6. Loved the DOT explanation, movie is definitely a diamond in the rough (Aladdin fan eh? How can one not be!). Was Interstellar more tight than Inception? Well not really. Inception was a concept harder to execute, and was done with such flair (in spite of the mother of all dream based movies - The Matrix). All of these discussions about the movie's theories and visual execution is keeping in mind that this is a Nolan's Film, and only the finer points of the movie are in discussion. The movie on the whole is obviously good, but leaves us begging for more conceptual closure.

      PS: Los Cronocrímenes, it is truly fantastic. In all the madness they found space to throw in some humor. Class act indeed. Would it make sense to do a write up on that one? Thanks for writing in.

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  20. First i did not make sense of the movie, The second biggest problem of my was, what Anonymous wrote, and explained. At first most of us think Coop should have no chance too meet Amelia, but what Anonymous sad makes a lot of sense. And after i read a little bit more slowly, an carefully i think i understood it, and i agree with it.

    The next one is the closed loop paradox, which after some reading and a little of higher understanding makes a lot of sense for me. But it is very hard to understand. You have no option but too either read about the unproven theory's or try to comprehend them without reading about the.


    I never was 100% sure about what i understood and what my mind was telling me was the same. And i thought Amelia was never able to see Coop, but know i understood the movie a bit more. And most of the poits that the Anonymous users elaborets above me, make me think that he is quite possible to be right, and got the essence of the movie.

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    1. Interstellar barely touches upon the consequences of Predestination paradox. If you really want to see a movie that will roll up the paradox, shove it down your throat, make you spit it out and keep shoving it down your throat - you must watch Predestination (aptly named).

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  21. While we're on the subject of paradoxes.. Interstellar is the converse case of the causal paradox.
    Causal paradox - Consider, for example, you are traveling back in time several years to the time when your grandfather was a kid. You(as you are now) meet him (grandpa as a child). What happens if you try to kill your grandfather ? Without him growing up and having children you couldn't have existed in the first place. Impossible scenario.

    Interstellar is the exact logical converse. Without the 5D superhumans finding a way to pass information back to the 'ordinary' humans, superhumans could not have evolved at all. In a sense, Cooper-Murph are on a mission that absolutely cannot fail because it has already succeeded.

    Which is kind of even more implausible than the causal paradox itself.

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    1. Hi Jane, we recommend the move Predestination which takes what you see in Interstellar to the next level.
      Here's a link that explains out the movie: http://www.digestivepyrotechnics.com/2014/12/predestination-plot-explained.html

      Of course, please do watch the movie before you read the article, spoiler alert!

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    2. Predestination destroyed my brain

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    3. Shit! What insanity is that movie!

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  22. This comment has been removed by the author.

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  23. This comment has been removed by the author.

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    1. I want what you're smoking!

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  24. Criticism of the movie's pro-White agenda and lack of racial diversity is on the mark. Just check out the comments on this site. Nearly everyone has labeled David Gyasi's character (Romilly) as the "Black guy." And who says Hollywood loves black people???

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    1. I meant to write "Who says Hollywood DOESN'T love black people???"

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  25. haha! well, forget black people. They never bothered to talk about what happened to the other side of the planet. Did the Asian countries just perish?

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  26. May I point out how in the world did he even survive for as long as he did in open space... Oxygen levels would have only granted him about an hour of time regardless of there being no time shift inside the blackhole there is still oxygen depletion..

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    1. That is so true. There was too much for the movie to handle.

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  27. All this about the plot holes and NO-ONE has picked up on the one that stuck out to me like a sore thumb.

    On Miller's planet they land and extend landing legs as though they knew it was a solid bottom just under the surface. How?

    Theres no way I bought the couple feet of stillish water on a seemingly flat bottom and also the tidal wave came up so quick as to be almost on them by the time they noticed it, yet from when Coop saw the wave, almost on them, they had couple minutes to much around and managed to get back to the ship.

    7 Years to the hour was the Millers Planet Time Relativity due to dilation but they were only there for a few minutes in total.

    It was only a couple minutes from landing til they met the wave, it rolled under them. After the wave they estimate 45 minutes before engines would work again and there was time for an argument about why Brand ignored Cooper which took only a minute or so, before the next wave was on them.

    There was no 'unshown passing of time' because once the first wave passed and Coop extended the legs again, we see the next wave approaching in the distance, maybe the same distance as the first wave was from them after they first landed. Maybe even the wave they initially saw rolling away from them was the one that offed Miller.

    The action from diving to the planet through to leaving it again was 11 mins 8 secs screen time which all appeared to play out in apparent 'real time' from the crew's perspective.

    7 years per hour maps to 42.5 days to the minute = 472 days approx for their 11 odd minutes which is nearly 16 months at the 7 years per hour rate. So where did they lose 23 years for the Millers planet experience, which would have meant almost 4 hours of their time. What did I miss?

    This plot hole stuck out like a sore thumb as soon as I watched it.

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    1. I don't think it's fair to assume that the screen time is the actual time they spend on the planet. There is no mention anywhere that the film time and real time are equal.

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    3. To reply I rewatched the sequence closely.

      If you watch that particular sequence you'll see the action was continuous and without a break, conversation flow to events etc.

      From landing to strike of 1st wave the action shown was close to real time, as per conversation flow etc, distances shown to ship from characters etc.

      The odd thing in that first half of that sequence is the wave crept up un-noticed to be almost on them by time Coop realized.

      That, though, was bad direction by the director as a wave approaching THAT fast would have been noticed and also too much time from noticing the wave almost on them to being struck by it. They would have only had a few seconds in reality.

      Its fair to assume the screen time was reasonably close to 'real time' for the characters with a margin of maybe a couple of minutes extra, defo not enough to cover the 23 years when they expected only a couple of years.

      The disruption to their plan was only by way of the impact of the first wave.

      As soon as the wave passed Coop extended the legs and the 2nd wave was in the distance and Coop and Brand IMMEDIATELY began the conversation about disobeying him which was shown complete and the conversation was only interrupted by the 2nd wave arriving and Coop got the idea to spark the engines.

      That part was fully 'real time'

      So my point stands, nowhere near enough planet time added to the original plan to account for 23 years.

      The one odd thing I noticed, though is Case's estimate of 45 to 60 minutes for the engines to be available and once wave 2 seen Case estimated the engines be ready in couple minutes.

      However, thats bad directing again as there was absolutely no break in continuity re onscreen time which was covered by ongoing conversation and was fully 'real time' in that part of the segment.

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  28. Also...

    Next, It took 2 years from Earth to Saturn yet travel to each of the planets took no time at all, the wormhole to Millars seems huge distance (maybe similar as Earth to Saturn) OK there were fades and maybe a couple years per trip to each planet was assumable but not needed to be shown. Still didn't seem right, though.

    I had no problem with the apparent paradox as the information was generated by Tars from the wormhole and was passed on by Coop to Murph via the Tesseract. It's a solid concept as once the information was transmitted to Murph it became part how everything evolved from that moment. There was no real paradox, it just meant the temporal connection from future Coop to past Murph was established and was always going to happen BECAUSE it happened.

    The concept here is stable and not a paradox at all. It simply meant information gained in the future was passed through to the past. Coop was ALWAYS going to be in the Tesseract as the film OPENED with Murph already experiencing the 'Coop ghost' via those future events.

    Its not like 'Time Crash Doctor Who' where the current Doctor whipped up an amazing maneuver while his past self watched him do it. The reason he knew what to do was because he remembered what he saw himself at that moment do from when he WAS that earlier Doctor watching his future self do it. He was remembering what his past self watched him do AS HE DID IT. That was an unrealistic paradox as the information never came from anywhere and was simply in a loop.

    Everything in linear time, whether object or data etc, has its own timeline in terms of point of origin and point of termination.

    People talk as though the Interstellar time effect was like this example but it's a completely different thing.

    There seemed to be weak plot incidences like the instant acceptance of Coop as the pilot as soon as he crashed the secret NASA but this seemed to be as though they were 'expecting' him in some way. Maybe they subliminally knew some element of the truth of what was always going to happen same as Murph may have subliminally known her ghost was her Dad, just not consciously realized it til later.

    I didn't buy the falling into the black hole thing, yet somehow Coop and Tars survived it and re-emerged into the original wormhole suggesting that the Black Hole and the Wormhole may have been part of the same wormhole network ie two entrances to the wormhole back to Earth's system.

    The film definitely appears to have some assumption that the future 5 dimensional humans had a lot of ability to manipulate time and space including wormholes and black holes.

    I totally agree that a wee bit of observation would have prevented the Millers planet and Mann's planet issues.

    The Brand refusing to listen to Coop's pleas to return to the ship scenario was plain stupid. Movie characters seem to know they are movie characters and that they don't need any self-preservation instinct.

    I, myself, would have looked around the ship out of pure curiosity and SEEN the approaching wave right there and then. Its an alien world, I would have looked around, just to make sure all was safe before walking off, even out of plain curiosity.

    Anycase, holes aside, apart from the Millers Planet 23 years blunder which should have been 16 months not 23 years, the movie was amazing and thought provoking and interesting enough to watch a few times and see new things.

    And the wormhole effect was BELIEVABLE, especially how the ship emerged from it. I felt I was experiencing a believably real wormhole ride rather than thinking 'this is a cool wormhole effect i'm watching'. It made sense to my brain.

    Interstellar is a new 'Favorite Movie' for me, regardless of flaws it has.

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