Recreations in astronomy : with directions for practical experiments and telescopic work (1879)
Warren, Henry White, 1831-1912 · New York : Harper & Brothers · leaf 26
lace. A simple revolu-tion of one world about another in a circular orbitwould be a problem of easy solution. It would alwabe at the same distance from its centre, and going withthe same velocity. But there are over sixty causes thatinterfere with such a simple orbit in the case of themoon, all of… … FORCES OF ATTRACTION AND INERTIA. U of our night-wandering orb lias just been explained byProfessor Hansen, of Gotha, as a curious result of theattraction of Venus. Take a single instance of the perturbations of Jupiterand Saturn which can be rendered evident. The times yof orbital revolution of…
Astronomy
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