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sun, in astronomy
(Encyclopedia) CE5 Structure of the sun sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other bodies of the sola...Cassiopeia, in astronomy
(Encyclopedia)Cassiopeia, in astronomy, prominent northern constellation located almost directly opposite the Big Dipper across the north celestial pole. Five bright stars in the constellation form a rough W (or M)...Castor, in astronomy
(Encyclopedia)Castor kăsˈtər [key], bright star in the constellation Gemini; Bayer designation α Geminorum; 1992 position R.A. 7h34.1m, Dec. +31°54′. Slightly dimmer than Pollux, with which it forms the Twin...Bode's law
(Encyclopedia)Bode's law [for J. E. Bode], also known as Titius's law or the Titius-Bode law, empirical relationship between the mean distances of the planets from the sun. If each number in the series 0, 3, 6, 12,...satellite, natural
(Encyclopedia)satellite, natural, celestial body orbiting a planet, dwarf planet, asteroid, or star of a larger size. The most familiar natural satellite is the earth's moon; thus, satellites of other planets are o...Low, Frank James
(Encyclopedia)Low, Frank James, 1933–2009, American astronomer and physicist, b. Mobile, Ala., grad. Yale (B.S. 1955), Rice Univ. (M.A. 1957, Ph.D 1959). Low, who worked at Texas Instruments and the National Radi...Möbius, Augustus Ferdinand
(Encyclopedia)Möbius, Augustus Ferdinand mōˈbēəs, Ger. möˈbēəs [key],(1790–1868), German mathematician and astronomer, b. Schulpforta, Saxony. A professor of astronomy at the Univ. of Leipzig, he made im...Olympian
(Encyclopedia)Olympian, in Greek religion and mythology, one of the 12 important gods who succeeded the Titans as rulers of the universe. The divine family of the Olympians was headed by Zeus, who ruled the heavens...astrometry
(Encyclopedia)astrometry: see astronomy.Demeter
(Encyclopedia)Demeter dĭmēˈtər [key], in Greek religion and mythology, goddess of harvest and fertility; daughter of Kronos and Rhea. She was the mother of Persephone by Zeus. When Pluto abducted Persephone, De...Browse by Subject
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