Second Possible Proto-Planet Found In System Pretty Close To Earth This artist's conception shows a newly formed star surrounded by a swirling protoplanetary disk of dust and gas. Credit: University of Copenhagen/Lars Buchhave.
is a polar ring galaxy 130 million light years away in Centaurus. Only 100 polar ring galaxies are known. Their unusual disk-ring structure is not yet fully understood. Credit: The Hubble Heritage Team.