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 326
, as fixed in position,and the plane of the other planets orbit (as Mars) as in-clined to this, under a given angle, it is clearly manifestthat the disturbing influence of the earth on Mars will bereversed when Mars passes through the plane of the AS PONDERABLE BODIES. 305 earths orbit. Suppose we… … JVI the place of the sun, E E places of the earth, and M andM places of Mars. Now, when Mars and the earth areon the same side of the sun, or the line of nodes, Marsascending towards M, above the plane of the earthsorbit, the force exerted by the earth on the ascendingplanet tends to draw it…
Astronomy
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