Only two sizes of black holes have ever been spotted: small and super-massive. Scientists have long speculated that an intermediate version must exist, but they’ve never been able to find one until now.
Astrophysicists identified what appears to be the first-ever medium-sized black hole, pictured in an artist’s rendition above, with a mass at least 500 times that of our Sun. Researchers from the Centre d’Etude Spatiale des Rayonnements in France detected the middling hole in a galaxy about 290 million light-years from Earth....
Astrophysicists identified what appears to be the first-ever medium-sized black hole, pictured in an artist’s rendition above, with a mass at least 500 times that of our Sun. Researchers from the Centre d’Etude Spatiale des Rayonnements in France detected the middling hole in a galaxy about 290 million light-years from Earth....
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- sergio80
- added this
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How do they go about estimating the mass of a black hole?
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Amazing.
Measuring the mass of objects light years away has to do with the shift in color, its distance from our POV, and comparisons to measurements taken in controlled experiments from the past.
Here is a link to a FAQ about black holes that would answer your question about mass, its too complicated to synthesize into a single sentence.
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This article talks about the biggest black hole ever encountered.
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humbling
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- T_Rex_Behavior
- 4 months ago
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