Evershed, M. A. (Orr) · London : Gall & Inglis · leaf 94
FLAT-EARTH SYSTEMS. 63 in an all-surrounding spherical heaven with a flat sup-ported earth which might still give them a solid floorbeneath their feet. Leucippus made the earth a hemis-phere, with a hemisphere of air above, the wholesurrounded by the supporting crystal sphere whichheld the moon.… … Fig. 13, The Universe of Leudppus. rim, to secure its contents, and made it divide the sphereof air into two parts, so that it rested upon air, and airwas also in the sky above. The underside of the discwas not inhabited, no doubt because no one could standupside down. His order of the successive…
Dante Alighieri, 1265-1321 · Astronomy
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