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The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the ... There are various methods used in astronomy in defining the size of a galaxy ...
In Chinese astronomy, the stars that make up Andromeda were members of four different constellations that had astrological and mythological significance; a constellation related to Andromeda also exists in Hindu mythology. Andromeda is the location of the radiant for the Andromedids, a weak meteor shower that occurs in November.
The term "The Local Group" was introduced by Edwin Hubble in Chapter VI of his 1936 book The Realm of the Nebulae. [11] There, he described it as "a typical small group of nebulae which is isolated in the general field" and delineated, by decreasing luminosity, its members to be M31, Milky Way, M33, Large Magellanic Cloud, Small Magellanic Cloud, M32, NGC 205, NGC 6822, NGC 185, IC 1613 and ...
Andromeda most commonly refers to: Andromeda (mythology), a princess from Greek mythology; ... Andromeda (Chinese astronomy) See also. A for Andromeda, ...
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
The name is Greek (Ἀνδρομέδα, Androméda), perhaps meaning 'mindful of her husband': from the noun ἀνήρ, ἀνδρός, anḗr, andrós 'man'; and either the verb μέδεσθαι, medesthai 'to be mindful of', from μέδω, médō, 'to protect, rule over', or the verb μήδομαι, mḗdomai 'to deliberate, contrive, decide'.
The Milky Way and the Andromeda Galaxy are the two brightest galaxies within the group; many of the other member galaxies are dwarf companions of these two. [176] The Local Group itself is a part of a cloud-like structure within the Virgo Supercluster , a large, extended structure of groups and clusters of galaxies centered on the Virgo Cluster ...
Gamma Andromedae, Latinized from γ Andromedae, is the third-brightest point of light in the northern constellation of Andromeda. It is a multiple star system approximately 390 light-years from Earth. The system is drifting closer to the Sun with a radial velocity in the range of −12 to −14 km/s. [5]