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Activity for George McGinn‭

Type On... Excerpt Status Date
Question 1st Generation Born on New World Issues
Let's use a Mars-like as an example of a planet that interstellar travelers may settle on. Assume that the spacecraft will provide Earth gravity and atmosphere. Comparing this new planet to Earth, it has .5g (1/2 the gravity) and has .5bars of atmosphere, or 1/2 the pressure of Earth. Everything els...
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almost 8 years ago