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Arp 274 (Interacting Galaxy)


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Arp 274 (NGC 5679)
Interacting Galaxy (相互作用銀河)
Gx Sb


別名 (Other names)
NGC 5679, PGC 52132, UGC 9383

明るさ (Brightness)
13等級

星座 (Constellation)
おとめ座 (Vir) (Virgo)

距離 (Distance)
4億光年 (400 million light-years)

Arp 274 (NGC 5679) is an interacting galaxy located 400 million light years from the Earth in the constellation Virgo.

Arp 274 (Interacting Galaxy) : Picture

The Colliding Spiral Galaxies of Arp 274
The Colliding Spiral Galaxies of Arp 274
(C) NASA, ESA, M. Livio (STScI) and the Hubble Heritage Team (STScI/AURA)
Two galaxies are squaring off in Virgo and here are the latest pictures. When two galaxies collide, the stars that compose them usually do not. This is because galaxies are mostly empty space and, however bright, stars only take up only a small fraction of that space. But during the collision, one galaxy can rip the other apart gravitationally, and dust and gas common to both galaxies does collide. If the two galaxies merge, black holes that likely resided in each galaxy center may eventually merge. Because the distances are so large, the whole thing takes place in slow motion -- over hundreds of millions of years. Besides the two large spiral galaxies, a smaller third galaxy is visible on the far left of the above image of Arp 274, also known as NGC 5679. Arp 274 spans about 200,000 light years across and lies about 400 million light years away toward the constellation of Virgo.

Arp 274
Arp 274
(C) NASA
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