Manage updates with the Download AppBernal sphere interior
6 of 13 from NASA's 1975 vision of space colonization (pictures)
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The interior of O'Neill's Bernal sphere would resemble a lush valley running all the way around the equator of the sphere, capable of providing living and recreation space for a population of about 10,000 people, with a "crystal palace" habitat used for agriculture. The form of a sphere was chosen for its optimum ability to contain air pressure and its optimum mass-efficiency at providing radiation shielding.
November 27, 2012 11:14 AM PST
Photo by: Rick Guidice/NASA
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