Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 313
er it appearsonly double, but with the finest instruments each compo-nent is seen as a double star. The star Theta, in the con-stellation of Orion, (0 Orionis,) is likewise a conspicuousmultiple star. It consists of four brilliant stars of thefourth, sixth, seventh, and eighth magnitude; and two… … THE MULTIPLE STAR THETA IN ORION. 770. Number of Double and Multiple Stars. What peculiar hue is displayed by many single stars ? What are triple and multiplestars ? Give instances ? 26* 306 • STARRY HEAVENS. Very few stars of this kind were known previous to thelatter part of the last century. At…
Astronomy
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