November 7, 2012

The Milky Way’s Black Hole Shoots Out Brightest Flare Ever



For some unknown reason, the black hole at the center of the Milky Way galaxy shoots out an X-ray flare about once a day.
http://silentobserver68.blogspot.com/2012/11/the-milky-ways-black-hole-shoots-out.html


These flares last a few hours with the brightness ranging from a few times to nearly one hundred times that of the black hole’s regular output. But back in February 2012, astronomers using the Chandra X-Ray Observatory detected the brightest flare ever observed from the central black hole, also known as Sagittarius A*. The flare, recorded 26,000 light years away, was 150 times brighter than the black hole’s normal luminosity.

What causes these outbursts? Scientists aren’t sure. But Sagittarius A* doesn’t seem to be slowing down, even though as black holes age they should show a decrease in activity.

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