Vestiges of Violence: Towering Gamma-Ray Jets Point to Past Outbursts from Milky Way's Black Hole

At the center of our galaxy is a sleeping giant, a black hole more than four million times as massive as the sun. The Milky Way’s supermassive black hole is mostly quiet, nibbling on small objects at the galactic center and giving off only faint belches of radiation as it digests its prey. But in the past the sleeping giant may have been wide awake--and wreaking havoc. [More]

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