An Earth-like planet is found in another solar system. What are the top priorities after landing in order to create a self-sustaining colony?
Is it a forgone conclusion that any exo-bacteria discovered on an alien, albeit Earth-like planet will be deadly to human life?
If true interplanetary and interstellar travel were achieved, would the decreasing mass of the earth become a problem?
How would the water flow if you were to have a shower in centrifugal force equivalent to 1 g on a rotating space station?
How could humans reach distant stars and still stay as a united government if you can't use faster than light travel
Why would a civilisation choose to inhabit a single enormous vessel instead of maintaining interstellar colonies?
Only top scored, non community-wiki answers of a minimum length are eligible