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The top documents tagged [sunretrograde motion]
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sunretrograde motion
Phys 181-701
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Epicycles Ptolemy (100-170 C.E.) improved the geocentric models by including epicycles –Planets were attached to small circles (epicycles) that rotated.
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1. 2 Phys 181-701 Astronomy 3 “The danger to which the success of revolutions is most exposed, is that of attempting them before the principles on which.
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1 Phys 181-701 Astronomy 2 “The danger to which the success of revolutions is most exposed, is that of attempting them before the principles on which.
213 views