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Andromeda, in astronomy

(Encyclopedia)Andromeda, in astronomy, northern constellation 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 Squar...

Andromeda, in Greek mythology

(Encyclopedia)Andromeda ăndrŏmˈĭdə [key], in Greek mythology, princess of Ethiopia, daughter of King Cepheus, king of Ethiopia, and Cassiopeia. According to most legends Cassiopeia angered Poseidon by saying t...

Pegasus, in astronomy

(Encyclopedia)Pegasus pĕgˈəsəs [key], in astronomy, northern constellation lying SW of Andromeda and SE of Cygnus. It is named for the mythological winged horse Pegasus. The constellation is easily recognized b...

Andromeda Galaxy

(Encyclopedia)Andromeda 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 ...

coma, in astronomy

(Encyclopedia)coma, in astronomy: see comet.

Eros, in astronomy

(Encyclopedia)Eros, in astronomy: see asteroid. ...

Hermes, in astronomy

(Encyclopedia)Hermes, in astronomy: see asteroid. ...

Icarus, in astronomy

(Encyclopedia)Icarus, in astronomy: see asteroid. ...

Charon, in astronomy

(Encyclopedia)Charon, in astronomy, the natural satellite, or moon, of Pluto. ...

Naiad, in astronomy

(Encyclopedia)Naiad, in astronomy, one of the natural satellites, or moons, of Neptune. ...