Activity for arthurz12345‭

Type	On...	Excerpt	Status	Date
Question	—	Colonizing a planet: how much food would we need to bring? Assuming that the planet is 20 light years away (so back and forth trips would be impractical) we have no clue whether there is any edible life forms on the new planet hibernation (freezing/thawing etc.) of our bodies isn't invented we carry 100 people The ship can travel up to 1/2 the speed of li... (more)	—	over 7 years ago