O'Neil Space Colony

O'Neil Space Colony

Doug F.
In the early 70's, Dr. Gerard O'Neill published a space colony concept that he and his students at Princeton had defined. It was described briefly in an article in Physics Today that can be found here (http://www.nss.org/settlement/physicstoday.htm). A counter-rotating pair of these 32km long by 6.4km diameter tubes would be deployed with their rotational axes pointed at the sun and tied together in order to cancel each others' angular momentum. Flat mirror "petals" open and close to simulate the diurnal light cycle on the land areas opposite the petals. Agricultural cells surround the end of the capsule to allow 24 hr per day production of food. The population of each capsule would be between 2 and 20 million people. They enjoy an Earth-like environment with clouds, blue sky and 1G effective gravity. I thought it interesting and decided to model the concept in 3D. Perhaps some day I (or others) will add more detail of the structural elements. But for now just enjoy this simple sketch. #Gerard_ONeill #space_colony
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