Popular astronomy : a concise elementary treatise on the sun, planets, satellites and comets (1865)
Mitchel, O. M. (Ormsby MacKnight), 1809-1862 · New York : Oakley & Mason · leaf 151
reality it has moved forward in its orbit from Pto P. Admitting the orbits to be circles and the mo-tions to be uniform, it is very easy to locate the places ofthe earth and planet on successive days after opposition,and joining those places by straight lines, we should soonreach a position in… … m which S is the sun, E E E E^ the successive placesof the earth, P P V V the successive places of tbeplanet. The lines E P and E P meet on the side op-posite the sun, the lines E P and E V also meet onthe same side, but E V and E P are parallels, andin P the planet becomes stationary, and after…
Astronomy
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