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Bubbles spill out of the Milky Way

November 10, 2010 12:00:00 AM PST
Scientists have found two huge bubbles of high-energy radiation spilling out from the center of the Milky Way. The massive structures each stretch 25,000 light years and emit about the same amount of energy as 100,000 exploding stars.

Researchers said this could be evidence of star formation a few million years ago or it could have been created when a supermassive black hole in the center of our galaxy swallowed up gas and dust.

The bubbles do not envelope earth but instead spread out in a different plane.