The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 246
ter planets. The dots round the orbits show the positionof the planets at intervalsof a thousand days. 215. The Asteroids.—Between the inner andouter groups of planetsthere is a great numberof very small planetsknown as the minor plan-ets, or asteroids. Overtwo hundred planets be-longing to this… … Fig. 246. group are distinguished from the other planets, not only bytheir small size, but by the great eccentricities and inclina-tions of their orbits. If we except Mercury, none of thelarger planets has an eccentricity amounting to one-tenththe diameter of its orbit (43), nor is any orbit…
Astronomy
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