Cosmos; a Sketch of a Physical Description of the Universe 3
Cosmos; a Sketch of a Physical Description of the Universe 3
Humboldt, Alexander Von, 1769-1859
The book Cosmos; a Sketch of a Physical Description of the Universe 3 was written by author Humboldt, Alexander Von, 1769-1859 Here you can read free online of Cosmos; a Sketch of a Physical Description of the Universe 3 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Cosmos; a Sketch of a Physical Description of the Universe 3 a good or bad book?
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2, p. 8: "Planetae in puro aelhere, perinde atque aves in a6re cursus subs conficiunt." '* The planets perform their cou'rse in the pure.ether as birds pass through the air." Compare also p. 122. He inclined, however, at an earlier period, to the idea of a solid icy vault of heaven congealed from the absence of solar heat: • •■ Orbis ex aqua factus gelu concreta propter solis absentiam." (Kepler, Epit. Astr. Copei^,, i., 2, p. 51.) "Two thousand yeai-s before Kepler, Empedocles maintained that ...the fixed stars were riveted to the crystal heavens, but that the planets were free and unrestrained" {tovq de irXav' •^Tog avnadai). (Pint., plac. Phil., ii., 13; Emped., 1, p. 335, Sturz; Buseb., Prap. Evang., xv., 30, col. 1688, p. 839.) It is difficult to con- ceive how, accordiiig to Plato in the Timseus ( Tim.j p. 40, B ; see Bohn's edition of Plato, vol. ii., p. 344 ; but not according to Aristotle), the fixed ^ gtars, riveted as tliey are to solid spheres, could rotate independently.
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