Tuesday, 30 August 2016
Six million years ago, the Milky Way blew its lid
Our galaxy hasn't always been quiet a neighborhood. Scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) say that during the Miocene epoch about six million years ago, the galactic core of the Milky Way may have been so active that it became a quasar and blasted away most of the galaxy's normal matter, equivalent to hundreds of billions of Suns.
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