For all intents and purposes, at this point they believed the mission goals to have succeeded. Cooper was going to leave them on the planet and return home. However, Mann was lying about the planets habitability: it was, in-fact, uninhabitable.Nov 10, 2014
What was wrong with Dr. Mann’s planet?
No surface was ever found, in fact, the planet is honeycombed with seemingly endless layers of frozen ice-cloud crevices and mountains. He surmised this from the sublimating ice clouds, which, after a while, would totally evaporate.
What did Mann lie about in interstellar?
tl;dr: He wanted to get away from the planet and once in space he wanted to continue the mission of going to the next planet. His deception that there were organics on the planet's surface was believed by the crew. Now, Dr. Mann had lived out several years on the planet and had realized his planet was not habitable.
What was wrong with Dr. Mann in interstellar?
Mann is reawakened by the crew of the Endurance approximately 30 years later due to the time dilation on Miller. Mann's hypersleep chamber was critically low on power at this point and Cooper had to manually break open his sleep-bag to wake him.
What was Dr. Mann going to say?
So, he put all his efforts into Plan B: to continue the survival of the human race through establishing a colony from the embryos aboard Cooper's ship on a survivable planet. Dr. Mann's plan was to get the astronauts to rescue him and then establish the colony on the other planet.
Why did Murph burn the corn?
Convinced her brother is making a terrible mistake, Murph sets fire to Tom's corn fields, knowing that since Tom relies on his crops for survival, he'll be forced to drive out to try to extinguish the blaze.
What does Dr. Mann admit to after hearing Murphy ASK DR brand if she knew that her father was lying?
Brand is near speechless, saying her father dedicated his whole life to Plan A. Dr. Mann, though, seems to understand. He admits that Professor Brand solved his gravity equation before the Lazarus missions even happened, but that it didn't allow for Plan A.
Why did Professor Brand lie in Interstellar?
For years he pretended to be attempting to solve the gravity equation with Murph, despite the fact he had previously determined it was unsolvable before the Lazarus Mission left Earth, ten years before the Endurance. On his deathbed, Professor Brand finally admitted to Murph that Plan A was a ruse.
Is Dr Mann insane?
Mann isn't mentally well, but he is at least mentally stable enough to fool everyone else for a considerable amount of time. Mann admits later that he activated the beacon because he didn't want to die and all he wants to do is return home.
How did Cooper escape the black hole?
After falling into the black hole, Cooper continues to record what he's seeing and transmits it back to TARS, hoping the additional data might help the scientists back on Earth. Although he expects to eventually get crushed by Gargantua's gravity, Cooper is miraculously spared once his shuttle is ripped apart.