Word: undergroundâ
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Dates: during 1969-1969
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...other necessities completely from lunar materials. He envisages vegetables grown from seed, rooted in tanks of water in which the necessary lunar minerals have been dissolved. His moon colonies, complete with farm animals and factories, launch pads and lunar surface vehicles, and the comforts of home, would be located underground???in sealed-off caves and domes?to protect inhabitants against meteors, solar radiation and the extremes of lunar temperatures...
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