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Pollux, in astronomy
(Encyclopedia) Pollux, brightest star in the constellation Gemini; Bayer designation Beta Geminorum; 1992 position R.A. 7h44.8m, Dec. +28°03′. An orange giant of spectral class K0 III, it is the…Tropic of Cancer
(Encyclopedia) Tropic of Cancer, parallel of latitude at 23°30′ north of the equator; it is the northern boundary of the tropics. This parallel marks the farthest point north at which the sun can be…Bellatrix
(Encyclopedia) BellatrixBellatrixbĕlˈətrĭks [key], bright star in the constellation Orion; Bayer designation Gamma Orionis; 1992 position R.A. 5h24.7m, Dec. +6°21′. A bluish-white giant of spectral…Capella
(Encyclopedia) Capella, brightest star in the constellation Auriga; Bayer designation α Aurigae; 1992 position R.A. 5h16.1m, Dec. +45°59′. Capella is a yellow giant star of spectral class G8 III and…Adhara
(Encyclopedia) AdharaAdharaădhârˈə [key], bright star in the constellation Canis Major; Bayer designation ε Canis Majoris; 1992 position R.A. 6h58.3m, Dec. −31°54′. A bluish-white giant (spectral…Centaurus
(Encyclopedia) CentaurusCentaurussĕntôrˈəs [key], southern constellation located N and E of Crux, the Southern Cross. It is known especially for its bright stars Alpha Centauri and Hadar. It also…Antares
(Encyclopedia) AntaresAntaresăntârˈēz [key], brightest star in the constellation Scorpius; Bayer designation Alpha Scorpii; 1992 position R.A. 16h27.6m, Dec. −26°22′. A red supergiant of spectral…Hadar, in astronomy
(Encyclopedia) Hadar or Beta CentauriHadarbāˈtə sĕntôrˈē [key], bright star in the constellation Centaurus; 1992 position R.A. 14h01.7m, dec. −60°13′. A bluish-white giant of spectral class B1 II, it…Orion Nebula
(Encyclopedia) Orion Nebula, bright diffuse nebula in the constellation Orion; also known as the Great Nebula of Orion and cataloged as M42 or NGC 1976. It is located near the middle of the “sword”…Pleiades, in astronomy
(Encyclopedia) PleiadesPleiadesplēˈədēz, plīˈ– [key], in astronomy, famous open star cluster in the constellation Taurus; cataloged as M45. The cluster consists of some 500 stars, has a diameter of…Trending
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