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The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
The thick disk is one of the structural components of about 2/3 of all disk galaxies, including the Milky Way. It was discovered first in external edge-on galaxies. [1] Soon after, it was proposed as a distinct galactic structure in the Milky Way, different from the thin disk and the halo in the 1983 article by Gilmore & Reid. [2]
The Origin of the Milky Way by Jacopo Tintoretto.. The myth of the milk of Hera (Ancient Greek: Ἥρας γάλα, romanized: Hḗras gala) is an ancient Greek myth and explanation of the origin of the Milky Way within the context of creation myths.
center – the study of the central region of the Milky Way; disk – the study of the Milky Way disk (the plane upon which most galactic objects are aligned) evolution – the evolution of the Milky Way; formation – the formation of the Milky Way; fundamental parameters – the fundamental parameters of the Milky Way (mass, size etc.)
In astronomy, galactocentrism is the theory that the Milky Way Galaxy, home of Earth ' s Solar System, is at or near the center of the Universe. [1] [2]Thomas Wright and Immanuel Kant first speculated that fuzzy patches of light called nebulae were actually distant "island universes" consisting of many stellar systems. [3]
The Greek name for the Milky Way (Γαλαξίας Galaxias) is derived from the Greek word for milk (γάλα, gala). One legend explains how the Milky Way was created by Heracles (Roman Hercules) when he was a baby. [16] His father, Zeus, was fond of his son, who was born of the mortal woman Alcmene.
In 1959, the IAU defined the position of the Milky Way's north galactic pole as exactly RA = 12 h 49 m, Dec = 27° 24′ in the then-used B1950 epoch; [citation needed] in the currently-used J2000 epoch, after precession is taken into account, its position is RA 12 h 51 m 26.282 s, Dec 27° 07′ 42.01″.