Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 24
, motions, and formof the Earth, with other important particulars that arewithin our reach. We thus obtain fixed standards of 1. Asteroids. From two Greek words, aster, a star, and eidos, like.Like a star, because all these planets are very small. 2. Orbit means the path of a planet about the sun.… … SOLAR SYSTEM. EXPLANATORY CHAPTER. 17 measurement, whereby we are enabled to push our in-quiries beyond the earth, and to compute the distances,times, motions, and velocities of many of the bright orbs1that glitter about us, and the extent of the vast spacesthrough which they move. In the study of…
Astronomy
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