Science
Chinese team spots monster black hole 70 times bigger than Sun – National Herald
The discovery topples the earlier assumption that the mass of an individual black hole in our Galaxy is no more than 20 times that of Sun
Until just a few years ago, stellar black holes could only be discovered when they gobbled up gas from a companion star.
The vast majority of stellar black holes in our Galaxy are not engaged in a cosmic banquet, though, and thus don’t emit revealing X-rays.
As a result, only about two dozen Galactic stellar black holes have been well identified and measured.
To counter this limitation, LIU and collaborators surveyed the sky with China’s Large Sky Area Multi-Object Fiber Spectroscopic Telesco…
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