> but shipping earth-based concrete to the lunar surface bears a hefty price tag.  > sending just 1 kilogram (2.2 pounds) of material to the moon costs roughly $1.2 million, says ali kazemian, a robotic construction researcher at louisiana state university (lsu). instead, nasa hopes to create new materials from lunar soil and eventually adapt the same techniques for building on mars. nasa should ship dehydrated water to save weight and make concrete on the moon in-situ.
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