space

Space Colony Concepts: NASA's 1970s Vision for Giant Space Stations (Gallery)

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Exterior View of Toroidial Colonies

Credit: NASA Ames Research Center / Don Davis
In the 1970s, scientists at NASA's Ames Research Center conducted three different studies into how humanity might build colossal space colonies in the form of giant stations. See the wild ideas put to form in these vintage NASA artist illustrations.

Here, an artist depicts the exterior view from one wheel-shaped space colony concept.