supermassive black hole
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Physicists Think They have Spotted a Very Rare Black Hole
On August 30, 1995, 10-billion-year-old light from the early universe finally hit the Compton Gamma-ray Observatory, which was circling in Earth orbit. An Australian research team is now reporting that the gamma-ray burst contained evidence of an exceedingly rare intermediate-mass black hole, the sort that would help fill a hole in our understanding of these…
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Astronomers Looking for One Black Hole May Have Found an Entire Squad
About 7,800 light-years away — within our galactic neighbourhood — is globular cluster NGC 6397, basically a wad of stars held together by gravity. That bunch of stars was previously thought to have an intermediate-sized black hole at its centre. But upon further inspection, a team from the Paris Institute of Astrophysics has determined that…