Astronomers Just Discovered a New Kind of Galaxy

Astronomers have discovered a new kind of galaxy that raises many questions, and perhaps paves the way for answers about galaxy formation.

Astronomer Arthur Hoag chanced upon this unusual extragalactic object in 1950. (Photo: R. Lucas (STScI/AURA), Hubble Heritage Team, NASA)

Astronomers at the University of Minnesota Duluth and the North Carolina Museum of Natural Sciences have just discovered a galaxy unlike any other in the observed universe. Its name is thoroughly unsexy: PGC 1000714, which is its catalog number, but the new find is a very remarkable and rare one: it's a ring galaxy. 

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