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Polar-ring galaxy

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Revision as of 14:11, 13 January 2007 by wikademia>Zotel (Added refernce, since everyone has gone all citation nazi of late, and couldn't be bothered to look at intiall source listed at creation. Duh!)

A polar-ring galaxy is a relatively rare type of galaxy, with only around 100 examples known. The best know example is NGC 4650A. It is theorized that the structure of these galaxies result from the collision of two galaxies. The collision results in a structure composed of two rings of material rotating at an approximate right angle to each other.

References

Hubblesite.org Retrieved 3/06, 1/07


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