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How can I find out when this particular crater on the moon was named? [more inside]
posted by np312 on Nov 20, 2008 - 3 answers

Hypothetical from Moon-orbit to Earth-orbit question. I already know about free return trajectories, but what if something went wrong and your ship (currently orbiting the moon) didn't leave lunar orbit at the point it was supposed to? What might happen? [more inside]
posted by np312 on Aug 17, 2006 - 8 answers