Fermi Bubbles
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CSI: Milky Way
Two astronomers from Vanderbilt and Georgia Tech, sharing a car after a snowstorm canceled their flights home from a conference, put together everything they had learned at the conference during that snowy drive and worked out that a collision between two black holes could explain most of what is known of a violent episode in the Milky Way's past. Read MoreMar 6, 2013