Neighbor galaxies may have brushed closely: research

Monday, June 11, 2012 - 17:20 in Astronomy & Space

(Phys.org) -- Two of our Milky Way's neighbor galaxies may have had a close encounter billions of years ago, recent studies with the National Science Foundation's Green Bank Telescope (GBT) indicate. The new observations confirm a disputed 2004 discovery of hydrogen gas streaming between the giant Andromeda Galaxy, also known as M31, and the Triangulum Galaxy, or M33.

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