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The galaxy at the right is NGC 4874, while the star above it is HD 112887 which is a foreground star and is completely unrelated to the cluster. NGC 4889 was not included by the astronomer Charles Messier in his famous Messier catalogue despite being an intrinsically bright object quite close to some Messier objects.
Holmberg 15A (abbreviated to Holm 15A) is a supergiant elliptical galaxy and the central dominant galaxy of the Abell 85 galaxy cluster in the constellation Cetus, about 700 million light-years from Earth. [1] It was discovered c. 1937 by Erik Holmberg. [2]
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 ...
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 ).
The central supermassive black hole is calculated to have a mass of about 8.4 × 10 6 M ☉. [9] The interstellar medium of Messier 64 consists of two counter-rotating disks that are approximately equal in mass. [19] The inner disk contains the prominent dust lanes of the galaxy. The stellar population of the galaxy exhibits no measurable ...
Bill Clinton “Hillary and I mourn the passing of President Jimmy Carter and give thanks for his long, good life,” Clinton, the country's 42nd president, said in a statement on Sunday.
NGC 1277 is a lenticular galaxy in the constellation of Perseus.It is a member of the Perseus Cluster of galaxies and is located approximately 73 Mpc (megaparsecs) [2] or 220 million light-years from the Milky Way.
The galaxy NGC 1275 is located at the centre of the cluster, where the X-ray emission is brightest. The first detection of X-ray emission from the Perseus cluster (astronomical designation Per XR-1) occurred during an Aerobee rocket flight on March 1, 1970. The X-ray source may be associated with NGC 1275 (Per A, 3C 84), and was reported in ...