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Q&A

How much energy is needed to get water from the moon into low earth orbit?

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I was reading the Q/A on water as radiation shielding. The prime answer went in to detail on the cost to lift water from Earth which is cost prohibitive, but how feasible is it to get the water from the dark side of the moon? Hypothetically, including the mission cost to set up a water mining and lift off site on the Moon, what is the break even cost vs lifting it directly from Earth?

I build self selecting bioreactors for agriculture and mining and got to thinking about using the waste water/aquaponics biocyclers as additional shielding for the crew. I have a sense of the amount of water needed, about 1 meter on all sides of the vessel for a useful reduction in rads, which is a hell of a large bioreactor/propulsion fuel tank.

It might be easier to have the crew sleep cocooned in bioreactor sleeping pods. Still, you have to get a lot of water into space to do it, so, maybe the moon. Thoughts? Thanks!

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This post was sourced from https://worldbuilding.stackexchange.com/q/98637. It is licensed under CC BY-SA 3.0.

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