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NASA Image of the Day Gallery
Two galaxies perform an intricate dance in this new Hubble Space Telescope image. The galaxies, containing a vast number of stars, swing past each other in a graceful performance choreographed by gravity. The pair, known collectively as Arp 87, is one of hundreds of interacting and merging galaxies known in our nearby universe. Arp 87 was originally cataloged by astronomer Halton Arp in the mid 1960s.

1 comment:
Beautiful picture! I've been saving up some cool space photos for my site!
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