humanoidhistory:1976 NASA-commissioned Rick Guidice illustrations of a Bernal Sphere, a space habita
humanoidhistory:1976 NASA-commissioned Rick Guidice illustrations of a Bernal Sphere, a space habitat proposed as a long-term colony for humans, an idea first hatched by John Desmond Bernal in 1929. (Something like this structure was seen in Christopher Nolan’s Interstellar.)(NASA Ames Research Center) -- source link
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