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Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Chris Duncan on June 20, 2002 22:12:25 UTC |
how big, in diameter, is this ring? If it doesn't circumnavigate the planet, then it will fall no matter how fast it spins. If it is completely around the earth, then it doesn't need to spin at all to keep from falling to the ground, because its shape supports itself. |
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