Andromeda(redirected from andromedas)
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Andromeda,in astronomy, northern constellationconstellation,
in common usage, group of stars that appear to form a configuration in the sky; properly speaking, a constellation is a definite region of the sky in which the configuration of stars is contained.
..... Click the link for more information. located to the NE of Pegasus and to the S of Cassiopeia. Its brightest star, Alpheratz (Alpha Andromedae), marks the northeast corner of the Great Square in Pegasus. The constellation also contains the bright stars Mirach (Beta Andromedae) and Almach (Gamma Andromedae) and the famous Great Nebula, or Andromeda GalaxyAndromeda Galaxy,
cataloged as M31 and NGC 224, the closest large galaxy to the Milky Way and the only one visible to the naked eye in the Northern Hemisphere. It is also known as the Great Nebula in Andromeda. It is 2.
..... Click the link for more information. , the only galaxy visible to the naked eye in the Northern Hemisphere. Andromeda reaches its highest point in the evening sky in November.
Andromeda(ăndrŏm`ĭdə), in Greek mythology, princess of Ethiopia, daughter of King Cepheus, king of Ethiopia, and Cassiopeia. According to most legends Cassiopeia angered Poseidon by saying that Andromeda (or possibly Cassiopeia herself) was more beautiful than the nereids. Poseidon sent a sea monster to prey upon the country; he could be appeased only by the sacrifice of the king's daughter. Andromeda in sacrifice was chained to a rock by the sea; but she was rescued by PerseusPerseus
, in Greek mythology, son of Zeus and Danaë. His grandfather, Acrisius, had been warned by an oracle that his grandson would kill him and therefore put Perseus and his mother in a chest and threw it into the sea.
..... Click the link for more information. , who killed the monster and later married her. Cassiopeia, Cepheus, and Andromeda were all set among the stars as constellations.
Andromeda(an-drom -ĕ-dă) A constellation in the northern hemisphere close to Pegasus, the brightest stars being Alpheratz (α), the red giant Mirach (β), and the fine visual binary Almach (γ). It contains the Mira stars R and W Andromedae, the spiral Andromeda galaxy and its companion galaxies M32 (NGC 221) and M110 (NGC 205), and the bright planetary nebula NGC 7662. Other objects include the open cluster NGC 752 and the edge-on spiral galaxy NGC 891. The 4th-magnitude Upsilon (υ) Andromedae, a yellow dwarf star of spectral class F8 V located at a distance of 15.9 pc, is believed to have three giant planets in orbit around it. Abbrev.: And; genitive form: Andromedae; approx. position: RA 1h, dec +40°; area: 722 sq deg.
a constellation of the northern sky. It includes three stars of the second magnitude and a spiral galaxy, the Andromeda nebula, which is visible to the naked eye and which has been known since the tenth century. The constellation is best observed in September and October and is visible everywhere in the USSR.
a genus of evergreen shrubs of the family Ericaceae. The flowers have a pink ovate-urceolate or globose-urceolate corolla and are gathered into an umbel. The fruit is a capsule. There are one or two species, distributed in the northern hemisphere. In the USSR there is one species, the marsh andromeda (A. polifolia), which has leathery lanceolate leaves. The marsh andromeda grows in the forest and tundra zones in swamps and damp coniferous forests. The leaves contain a poisonous glycoside that is dangerous to sheep and goats.
REFERENCESDerev’ia i kustarniki SSSR, vol. 5. Moscow-Leningrad, 1960.
Gusynin, I. A. Toksikologiia iadovitykh rastenii, 4th ed. Moscow, 1962.