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The Ptolemaic model of the universe:. Physics & Astronomy
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Physics & Astronomy
The Ptolemaic model of the universe:
2019-11-14 19:32:04
Physics & Astronomy
could not account for the stellar parallax observed by Hipparchus
describes the orbits of the planets as being ellipses, not circles.
is the basis of our modern cosmology.
explained and predicted the motions of the planets with deferents and epicycles
always kept Mars and Mercury between the Earth and Sun.
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