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Arp 55 (The Grasshopper)


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Arp 55
Interacting Galaxy (相互作用銀河)


別名 (Other names)
Arp 055, UGC 4881, VV 155, The Grasshopper

距離 (Distance)
5億光年 (500 million light-years)

星座 (Constellation)
やまねこ座 (Lyn) (Lynx)

Arp 55 (UGC 4881) is an interacting galaxy located 500 million light years from the Earth in the constellation Lynx.

Arp 55 (Interacting Galaxy) : Picture

Arp55 (UGC 4881)
Arp 55 (UGC 4881)
(C) NASA
UGC 4881, known as the "The Grasshopper," is a stunning system consisting of two colliding galaxies. It has a bright curly tail containing a remarkable number of star clusters. The galaxies are thought to be halfway through a merger the cores of the parent galaxies are still clearly separated, but their disks are overlapping. A supernova exploded in this system in 1999 and astronomers believe that a vigorous burst of star formation may have just started. This notable object is located in the constellation of Lynx, some 500 million light-years away from Earth. UGC 4881 is the 55th galaxy in Arp's Atlas of Peculiar Galaxies.
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