This lopsided galaxy has one seriously pumped-up arm (photo) - Space.com

A new image from the Gemini Observatory captures a lopsided galaxy known as NGC 772, which boasts one overdeveloped spiral arm due to tidal interactions with an unruly neighbor.

A galaxy's overdeveloped spiral arm dominates the foreground of a stunning new image from the Gemini Observatory in Hawaii.  The image captures a lopsided spiral galaxy known as NGC 772, which lie… [+2507 chars]

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