The Martian

Plot hole: Rich Purnell started his calculations that required the Hermes to dock with the Tieyang Shen well before Teddy, the Director of NASA, found out about the confidential information about the Tieyang Shen even having enough fuel to be the booster.

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Suggested correction: I don't think that is correct. When he first comes up with the idea to reroute the Hermes back to Mars he was thinking about/ working on the calculations for the original probe before it blew up.

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Mistakes

Other mistake: During the storm scene in the beginning of the movie, the astronauts' faces inside the helmets are brightly lit, meaning there's a light source pointed directly in their face. That's something that would render them mostly blind and unable to see and appears to be nothing but a dramatic effect for the camera. (00:05:00 - 00:08:00)

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Quotes

Mark Watney: I don't want to come off as arrogant here, but I'm the best botanist on the planet.

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Trivia

Trivia: The secret project created to use the Hermes to return to Mars to rescue Watney was called Project Elrond, a reference from the Lord of the Rings (also used in the original book of The Martian). Mitch Henderson, played by Sean Bean, was an attendee at the Project Elrond meeting. Sean Bean also played Boromir, who was an attendee at the Council of Elrond in the LOTR movie.

Blathrop

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Questions

Question: Why would NASA decide to send a botanist on a mission to Mars? A planet where no plants can grow.

Answer: Part of his job, aside from also being a mechanical engineer, was to use soil taken from Earth to Mars, mix it with Martian soil then grow seeds in it to see how Martian soil is for growing crops. This would be preparing for a longer term mission where growing full crops to feed the crew would be part of the mission.

Answer: Botanists going to mars can study the ground and the dirt so they could make life on mars. Botanists are also helpful due to oxygen in space, he grows plants on the spacecraft for the oxygen that they give off.

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