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How primordial black holes could explain dark matter
  + stars: | 2024-06-17 | by ( Jacopo Prisco | ) edition.cnn.com   time to read: +10 min
The late physicist Stephen Hawking hypothesized that dark matter could be hiding in black holes formed during the big bang. “We were making use of Stephen Hawking’s famous calculations about black holes, especially his important result about the radiation that black holes emit,” Kaiser said. This is not to say dark matter is not a particle, or that it’s for sure black holes. “The next generation of gravitational detectors could catch a glimpse of the small-mass black holes — an exotic state of matter that was an unexpected byproduct of the more mundane black holes that could explain dark matter today.”Many forms of dark matterWhat does this mean for the ongoing experiments that are trying to detect dark matter, such as the LZ Dark Matter Experiment in South Dakota? And those indeed might pick up some of the stray signals from the very violent formation process of primordial black holes.”There’s also the possibility that primordial black holes are just a fraction of the dark matter, Alonso-Monsalve added.
Persons: Vera Rubin, Kent Ford, ” Rubin, , Fritz Zwicky, Stephen Hawking, , David Kaiser, Stephen Hawking’s, ” Kaiser, didn’t, Elba Alonso, Monsalve, ” Alonso, Alonso, Kaiser, , There’s, Nico Cappelluti, “ Cappelluti, Priyamvada Natarajan, Joseph S, Sophia S, Fruton, Natarajan Organizations: CNN, NASA, Massachusetts Institute of Technology, Science, MIT, University of Miami, Astronomy, Yale University Locations: , American, Swiss, British, South Dakota
CNN —Two powerful NASA telescopes have detected the oldest and most distant black hole ever found. “We needed Webb to find this remarkably distant galaxy and Chandra to find its supermassive black hole,” said lead study author Akos Bogdan, in a statement. Potential black hole theoryTypically, black holes located at the centers of galaxies only have about 0.1% the mass of the stars within their host galaxy. The unusual black hole could be an “Outsize Black Hole” that formed when a huge cloud of gas collapsed, as theorized in 2017 by Priyamvada Natarajan, a coauthor on both studies and the Joseph S. and Sophia S. Fruton professor of astronomy and professor of physics at Yale University in New Haven, Connecticut. “We think that this is the first detection of an ‘Outsize Black Hole’ and the best evidence yet obtained that some black holes form from massive clouds of gas,” Natarajan said.
Persons: Chandra, James Webb, Webb, , Akos Bogdan, , ” Bogdan, Abell, they’ve, Andy Goulding, Priyamvada Natarajan, Joseph S, Sophia S, ” Natarajan Organizations: CNN, NASA, Telescope, Harvard - Smithsonian Center for Astrophysics, Chandra, telltale, Princeton University, Yale University Locations: Cambridge , Massachusetts, New Jersey, New Haven , Connecticut
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