Centaurus A is a peculiar galaxy located in the southern constellation Centaurus. It is the fifth brightest galaxy in the night sky, the nearest giant galaxy to the Milky Way, and one of the nearest radio galaxies to Earth.
Its exact type is uncertain, but it is usually classified either as a giant elliptical or lenticular galaxy. The galaxy’s exact distance from Earth is also uncertain, but estimates generally range from 10 to 16 million light years.
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The Antennae Galaxies, also known as the Ringtail Galaxy or Arp 244, are a pair of colliding galaxies located in Corvus constellation. The interacting spiral galaxies have the designations NGC 4038 and NGC 4039 in the New General Catalogue.
The galaxy collision resembles an insect’s antennae, which is how the pair got the name. The “antennae” are formed by two long tails of stars, dust and gas expelled from the galaxies as a result of their interaction.
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The Sombrero Galaxy, also known as Messier 104 (M104), is a famous unbarred spiral galaxy located in the southern skies. The galaxy lies at a distance of 29.3 million light years from Earth in the direction of the constellation Virgo. Its designation in the New General Catalogue is NGC 4594.
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NGC 6872, also known as the Condor Galaxy, is a massive barred spiral galaxy located in the southern constellation Pavo.
The galaxy has a distinct shape of the integral sign. It has an apparent visual magnitude of 12.7 and is approximately 220 million light years distant from Earth. The galaxy is currently in the process of interacting with a lenticular galaxy, IC 4970.
The smaller IC 4970 – only a fifth the size of its larger neighbour – has an apparent magnitude of 14.7. It is located 1.1 arcminutes to the north of NGC 6872.
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