Messier 87

siamese twins galaxy,ngc 4567,ngc4568,interacting galaxies,virgo cluster galaxies

Siamese Twins Galaxies

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The Siamese Twins, also known as the Butterfly Galaxies, are a pair of colliding unbarred spiral galaxies located in Virgo constellation. The galaxies lie at a distance of 59.4 million light years and are members of the Virgo Cluster. They have an apparent magnitude of 10.9 and an absolute magnitude of -13.3. The galaxies’ designations in the New General Catalogue are NGC 4567 and NGC 4568.
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ngc 1277,supermassive black hole

NGC 1277 in Perseus

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NGC 1277 is a lenticular galaxy located in Perseus constellation. It lies at a distance of about 220 million light years from Earth.

The galaxy has an apparent visual magnitude of 14.7. It is notable for having an extremely heavy supermassive black hole at its centre, one of the largest black holes ever found.
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