Search - Ringworld

Author: Larry Niven
"I myself have dreamed up an intermediate step between Dyson Spheres and planets. Build a ring 93 million miles in radius - one Earth orbit - which would make it 600 millions miles long. If we have the mass of Juptier to work with, and if we make it a million miles wide, we get a thickness of about a thousand meters. The Ringworld would thus be ...  more »
ISBN: 241663
Pages: 342
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Publisher: Ballantine Books
Book Type: Paperback
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