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by caf 1924 days ago
I don't know if the Moon is really "infinitely" easier to get to and back - in a real sense the Moon is "most of the way there" - getting to Mars surface is only 25% more delta-v than the Moon, and that's without considering that aero-braking is available when you're landing on Mars.

The round trip is harder, sure, but we're talking maybe a factor of 10 rather than infinity.