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[5] [6] As an elliptical galaxy, the galaxy is a spheroid rather than a flattened disc, accounting for the substantially larger mass of M87. Within a radius of 32 kiloparsecs (100,000 light-years), the mass is (2.4 ± 0.6) × 10 12 times the mass of the Sun, [ 47 ] which is double the mass of the Milky Way galaxy. [ 53 ]
At the core of the galaxy is a supermassive black hole that heats the intracluster medium through the action of friction from infalling gases and dust. The gamma ray bursts from the galaxy extend out to several million light years of the cluster. As with other similar elliptical galaxies, only a fraction of the mass of NGC 4889 is in the form ...
A dark galaxy is a hypothesized galaxy with no (or very few) stars. They received their name because they have no visible stars but may be detectable if they contain significant amounts of gas. They received their name because they have no visible stars but may be detectable if they contain significant amounts of gas.
In November 2021, scientists announced the discovery of a pair of supermassive black holes in NGC 7727, detected with the Very Large Telescope's multi-unit spectroscopic explorer (MUSE) at the European Southern Observatory. The black holes have masses of 154 and 6.3 million solar masses, and are separated 1,600 light years apart.
Evil Eye Galaxy, M64, NGC 4826, PGC 44182, UGC 8062 [11] The Black Eye Galaxy (also called Sleeping Beauty Galaxy or Evil Eye Galaxy and designated Messier 64 , M64 , or NGC 4826 ) is a relatively isolated [ 7 ] spiral galaxy 17 million light-years away in the mildly northern constellation of Coma Berenices .
NGC 4151 is an intermediate spiral Seyfert galaxy with weak inner ring structure located 15.8 megaparsecs (52 million light-years) from Earth [4] in the constellation Canes Venatici. The galaxy was first mentioned by William Herschel on March 17, 1787; it was one of the six Seyfert galaxies described in the paper [ 5 ] which defined the term.
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The galaxy's strange morphology is generally recognized as the result of a merger between two smaller galaxies. [34] Zoom movie of the galaxy Centaurus A, showing different aspects of the galaxy in several wavelengths. Schematic diagram of the components of the Centaurus A galaxy. The bulge of this galaxy is composed mainly of evolved red stars ...