Because we can't see black holes, it's hard to know exactly how many are out there in the big, wide Universe.
But that doesn't mean we have no means of trying to figure it out.
"The innovative character of this work is in the coupling of a detailed model of stellar and binary evolution with advanced recipes for star formation and metal enrichment in individual galaxies,""This is one of the first, and one of the most robust,Black holes are a huge question mark hanging over our understanding of the Universe – or rather, a lot of question marks. But if we have a good idea of how many black holes are out there, that could help answer some of those questions.
This knowledge might yield clues as to the growth and evolution of supermassive black holes millions or billions of times the mass of the Sun, constituting the cores of galaxies.Sicilia and his colleagues took a computational approach.
The team compared their results against the gravitational wave data, and found that their estimate of the rate of black hole mergers was in good agreement with the observational data. This suggests that star cluster mergers are likely behind the black hole collisions we've seen.
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