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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 .
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.
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.
The galaxy may have once had some 10 billion stars. [8] As of 2013, it is possibly the densest known galaxy with over one hundred stars per cubic light-year. [9] As of 2014, it is the smallest and least massive galaxy known to host a central black hole. It was previously known as the most massive ultracompact dwarf galaxy known. [8]
The star formation rate in NGC 2835 is 1.3 M ☉ per year and the total stellar mass of the galaxy is 10 10 M ☉. [7] In the centre of NGC 2835 lies a supermassive black hole whose mass is estimated to be 3-10 million (10 6.72±0.3) M ☉, based on the spiral arm pitch angle. [8] NGC 2835 is the foremost galaxy in a small group of galaxies ...
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Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a D 25 isophotal diameter of 29.44 kiloparsecs (96,000 light-years ).