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Betelgeuse
(Encyclopedia)Betelgeuse bētˈəljo͞ozˌ [key], bright star in the constellation Orion; Bayer designation α Orionis; 1992 position R.A. 5h54.8m, Dec. +7°24′. A red supergiant with a luminosity about 13,000 ti...caduceus
(Encyclopedia)caduceus kədyo͞oˈsēəs [key], wing-topped staff, with two snakes winding about it, carried by Hermes, given to him (according to one legend) by Apollo. The symbol of two intertwined snakes appeare...cloud
(Encyclopedia) CE5 Approximate heights of some types of clouds cloud, aggregation of minute particles of water or ice suspended in the air. Cloudiness (or proportion of the sky covered by any form of cloud),...Herschel
(Encyclopedia)Herschel hûrˈshəl [key], family of distinguished English astronomers. Sir William Herschel,Sir William Herschel, 1738–1822, born Friedrich Wilhelm Herschel, was a great pioneer in astronomy. Bor...anticyclone
(Encyclopedia)anticyclone, region of high atmospheric pressure; anticyclones are commonly referred to as “highs.” The pressure gradient, or change between the core of the anticyclone and its surroundings, combi...planetarium
(Encyclopedia)planetarium, optical device used to project a representation of the heavens onto a domed ceiling; the term also designates the building that houses such a device. A modern planetarium consists of as m...sea level
(Encyclopedia)sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and permanent horizontal su...Clausewitz, Karl von
(Encyclopedia)Clausewitz, Karl von kärl fən klouˈzəvĭts [key], 1780–1831, Prussian general and military strategist. Clausewitz was an original thinker most influenced by the Napoleonic wars in which he fough...Layton, Irving
(Encyclopedia)Layton, Irving, 1912–2006, Canadian poet, b. Romania as Israel Lazarovitch. His family emigrated to Montreal when he was an infant. He attended Macdonald College (B.Sc., 1939) and McGill Univ. (M.A....Libra
(Encyclopedia)Libra lēˈbrə, līˈ– [key] [Lat.,=the scales], southern constellation lying on the ecliptic (the sun's apparent path through the heavens) between Virgo and Scorpius; it is one of the constellatio...Browse by Subject
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