An Alderson disk (named after Dan Alderson, its originator) is a hypothetical artificial astronomical megastructure, similar to the ring in Larry Niven's Ringworld and the Dyson sphere. The disk is a giant platter with a thickness of several thousand kilometers.
An Alderson disk (named after Dan Alderson, its originator) is a hypothetical artificial astronomical megastructure, similar to the ring in Larry Niven's Ringworld and the Dyson sphere. The disk is a giant platter with a thickness of several thousand kilometers.
Source: Wikipedia "Alderson disk" · CC BY-SA 4.0
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