April 14, 2012

Black Holes Can Be Massive Cosmic Cannons!

Ethan Siegel, ScienceBlogs

AP Photo

Our galaxy is but one among hundreds of billions in the cosmos, nearly all of which contain supermassive black holes at the center. Ours happens to be "only" a few million times as massive as our Sun, as well as quiet.

In other words, our galaxy's supermassive black hole is behaving right now, by not viciously shooting off high-energy jets of particles and light at some poor, innocent passers-by.

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TAGGED: Universe, Radiation, Black Holes