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NGC 660

NGC 660 is a polar ring galaxy located about 40 million light years away in the constellation Pisces. Polar ring galaxies are believed to be formed by the interacting galaxies.

Polar ring galaxies are rare. The material in these galaxies rotate in rings almost perpendicular to plane of the galactic disk. This may be caused by a disk galaxy capturing material from a passing galaxy, and the captured material eventually stringing out into a ring.

Image from National Geographic, information from National Geographic and NASA.

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