Recreations in astronomy : with directions for practical experiments and telescopic work (1879)
Warren, Henry White, 1831-1912 · New York : Harper & Brothers · leaf 117
anets, each with its axis pointing invery nearly the same direction. All planets, except pos-sibly Venus, and all moons except those of Uranus and ptnne, present their equators to the >un. The dinorbital and axial revolution seen from above the :th Pole would be opposite to that of the hands of… … Fig. 3S.—Orbits and Comparative Sizes of the Planets. It holds a planet with a certain power; one twice as faroff, with one-fourth that power. This attraction must becounterbalanced by centrifugal force; great force fromgreat speed when attraction is great, and small from less THE PLANET^ AS SEEN…
Astronomy
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