Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
The findings suggest that, of the 85 black hole mergers detected by LIGO-Virgo-KAGRA since 2015, at least 35% happened in star clusters.
The findings could help astronomers determine where the black hole merger occurred and what causes such mergers.. As fusion ceases, so does the outward energy that supports stars against the inward pressure of their own gravity. This imbalance causes the stars' cores to undergo gravitational collapse, and as they rapidly fall inward, outer material is violently ejected, triggering ablast that's energetic enough to push away any material around the newly formed black hole.
France Dernières Nouvelles, France Actualités
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