Milky Way core drives wind at 2 million miles per hour

5 enero 2015

At a time when our earliest human ancestors had recently mastered walking upright, the heart of our Milky Way galaxy underwent a titanic eruption, driving gases and other material outward at 2 million miles per hour. Now, at least 2 million years later, astronomers are witnessing the aftermath of the explosion: billowing clouds of gas towering about 30,000 light-years above and below the plane of our galaxy.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iYsoC9_UeQE/150105182525.htm

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