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Loading contentWorking the loose surface soil of the Moon and Mars — sintering or melting it into building material, extracting metals and oxygen, and using it for radiation shielding — turning the ground itself into a resource.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.