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Old 09-29-2019, 06:44 PM   #7169 (permalink)
RedDevil
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Surface settlements on the Moon or Mars have no chance whatsoever. On the moon the day/night cycle of almost one month causes extreme thermal stresses, also moon dust is a stronger abrasive agent than anything on earth, and it is impossible to keep it from entering seals and the like. An atmosphere would quickly erode the sharp edges of moon dust, but the moon lacks an atmosphere.

Mars is really cold, also the soil is quite toxic and the atmosphere is very thin. Neither Mars nor the Moon provide protection against cosmic radiation like the Earth does.
Only a thick enough layer of rock could provide protection against that.
It is Tunnel or Die.

Then, if you need to tunnel to create a habitat, you may wonder why we don't do it here. So much easier. Just tunnel, make an independent life support system, and presto. No need for fancy rockets. Just need a slab of rock.

It should not be too hard to figure out why we don't.
So why would we do that on the Moon, or Mars?
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