File:2001humanhibernation.jpg

Summary
2001: A SPACE ODYSSEY -- If the entire crew of Discovery One were awake and active for the time that it took them to get to Jupiter, a whole host of problems would present themselves. You have to keep them alive - this would require water, air, and food. All of which would take up valuable mass and space on the spacecraft.

Rationale of fair use for 2001: A Space Odyssey (film)

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