Science
A giant black hole suddenly went dark, and no one knows why – Livescience.com
What blotted out GRS 1915+105’s bright light?
Beginning in 2018, one of the brightest X-ray
lights in the sky went dark, and scientists still aren’t sure why.
The black hole responsible for creating the lights-out mystery lives in GRS 1915+105, a star system 36,000 light-years from Earth containing both a normal star and the second-heaviest known black hole in the Milky Way. That heavyweight is 10 to 18 times the mass of the sun and second in mass only to Sagittarius A* (or SgrA*), the supermassive black hole in the galactic center. The region…
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