History of the planetary systems from Thales to Kepler (1906)
Dreyer, J. L. E. (John Louis Emil), 1852-1926 · Cambridge University Press · leaf 117
P2, and M were situated in the ecliptic 1 Metaph. xi. 8, p. 1073 b. 2 Simplicius merely says that Eudemus has clearly and shortly stated thereasons for this addition (De Ccelo, ed. Heiberg, p. 497, 1. 22). iv] The Homocentric Spheres of Eudoxus 105 in the order AP.^P^IB, then at any time the angles… … ecliptic which alters its form with the adopted length of thearc PXP2, and, like the hippopede, may produce retrogrademotion. And it has this advantage over the hippopede, that itcan give the planet in the neighbourhood of 0 a much greaterdirect and retrograde velocity with the same motion in…
Astronomy -- History · Solar system
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