Friday, October 25, 2013

‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole

‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole:
X-ray emissions from the supermassive black hole in the center of the Milky Way galazy, about 26,000 light years from Earth. Credit:  NASA/CXC/APC/Université Paris Diderot/M.Clavel et al
X-ray emissions from the supermassive black hole in the center of the Milky Way galazy, about 26,000 light years from Earth. Credit: NASA/CXC/APC/Université Paris Diderot/M.Clavel et al
How’s that for a beacon? NASA’s Chandra X-ray Observatory has tracked down evidence of at least a couple of past luminous outbursts near the Milky Way’s huge black hole. These flare-ups took place sometime in the past few hundred years, which is very recently in astronomical terms.
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© Elizabeth Howell for Universe Today, 2013. |Permalink |No comment |
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