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Hubble reveals galactic collision
Posted: Wed, Oct 14, 2009, 7:39 AM ET (1139 GMT) 
Hubble Space Telescope images of an unusual galaxy released this week have revealed to astronomers that the object is actually the result of a galactic collision. The object, called NGC 2623 or Arp 243, is 250 million light-years from the Earth. The Hubble images have demonstrated to astronomers that the object is actually the result of the collision of two spiral galaxies. The images show two tails extending out from the center that contain young stars created during the merger process.
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