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Surprising New Class of Hyper-velocity Stars Discovered Escaping the Galaxy

01/15/2014 09:20PM

Surprising New Class of Hyper-velocity Stars Discovered Escaping the Galaxy

An team of astronomers at Vanderbilt University has discovered a surprising new class of Hyper-velocity Stars -- solitary stars moving fast enough to escape the gravitational grasp of the Milky Way galaxy. The most commonly accepted mechanism for kicking a star out of the galaxy involves an interaction with the supermassive black hole at the galactic core. None of these Hyper-velocity stars come from the center, which implies that these may belong to a new class of Hyper-velocity Stars that use a different ejection mechanism.


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