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The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31 , M31 , and NGC 224 . Andromeda has a D 25 isophotal diameter of about 46.56 kiloparsecs (152,000 light-years ) [8] and is approximately 765 kpc (2.5 million light-years ...
In this drawing by Charles Messier, satellite galaxy M110 appears at the upper right. Charles Messier never included the galaxy in his list, but it was depicted by him, together with M32, on his drawing of "Nébuleuse D'Andromède", later known as the Andromeda Galaxy. A label of the drawing indicates that Messier first saw the object in 1773.
The constellation's most obvious deep-sky object is the naked-eye Andromeda Galaxy (M31, also called the Great Galaxy of Andromeda), the closest spiral galaxy to the Milky Way and one of the brightest Messier objects. Several fainter galaxies, including M31's companions M110 and M32, as well as the more distant NGC 891, lie within Andromeda.
Andromeda Galaxy (M31, NGC 224) 3.4 2.5 Mly (770 kpc) Andromeda: Once called the Great Andromeda Nebula, it is situated in the Andromeda constellation. Triangulum Galaxy (M33, NGC 598) 5.7 2.9 Mly (890 kpc) Triangulum
The Spindle Galaxy (NGC 5866), a lenticular galaxy with a prominent dust lane in the constellation of Draco See also: Lenticular galaxy At the centre of the Hubble tuning fork, where the two spiral-galaxy branches and the elliptical branch join, lies an intermediate class of galaxies known as lenticulars and given the symbol S0.
Rosse's telescope Leviathan was the first to reveal the spiral structure of M51, a galaxy nicknamed later as the "Whirlpool Galaxy", and his drawings of it closely resemble modern photographs. The Crab Nebula received its name based on a drawing made by Rosse in the early 1840s with his older 36-inch (91 cm) telescope in which it resembled a ...
Andromeda (mythology) In Greek mythology, Andromeda ( / ænˈdrɒmɪdə /; Ancient Greek: Ἀνδρομέδα, romanized : Androméda or Ἀνδρομέδη, Andromédē) is the daughter of Cepheus, the king of Aethiopia, and his wife, Cassiopeia. When Cassiopeia boasts that she (or Andromeda) is more beautiful than the Nereids, Poseidon sends ...
Spiral galaxy LEDA 2046648, about one billion light-years away Drawing of the Whirlpool Galaxy by Rosse in 1845 Before it was understood that spiral galaxies existed outside of our Milky Way galaxy, they were often referred to as spiral nebulae , due to Lord Rosse , whose telescope Leviathan was the first to reveal the spiral structure of galaxies.