Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 257
ng certainly of her rotation. 234. Transits of Venus.—WhenVenus happens to be near one ofthe nodes of her orbit when she is ]in inferior conjunction, she makes,a transit across the suns disk.These transits occur in pairs, separated by an interval ofover a hundred years. The two transits of each… … Fig. 262. ASTRONOMY. 235 Mars. 235. The Orbit of Mars. — The orbit of Mars is moreeccentric than that of any of the larger planets, exceptMercury; its eccentricity being about one-eleventh. Theinclination of the orbit to the ecliptic is somewhat undertwo degrees. The mean distance of Mars from the…
Astronomy
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