Flammarion, Camille, 1842-1925, Welby, Frances A. (Frances Alice) tr · New York, D. Appleton and company · leaf 91
dmulticolored Moons; are these not fairy visions, dazzlingto our poor sight, condemned while here below to seeand know but one white Sun ? 71 ASTRONOMY FOR AMATEURS As we have learned, there are not only double, buttriple, and also multiple stars. One of the finest ter-nary systems is that of 7 in… … Fig. 18.—Triple star I in Cancer. easy to observe is ^ of Cancer, composed of three orbsof fifth magnitude, at a distance of i^ and 5; the firsttwo revolve round their common center of gravity infifty-nine years, the third takes over three hundredyears. The preceding figure shows this system in…
Astronomy
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