For one brief shining moment after the 2015 detection of gravitational waves from colliding black holes, astronomers held out hope that the universe's mysterious dark matter might consist of a plenitude of black holes sprinkled ...
General Physics
Oct 2, 2018
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What is dark matter? How do supermassive black holes form? Primordial black holes might hold the answer to this longstanding question. Leiden and Chinese cosmologists have identified a new way in which these hypothetical ...
General Physics
Aug 30, 2018
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Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of ...
Astronomy
Apr 20, 2018
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Some theories of the early universe predict density fluctuations that would have created small "primordial black holes," some of which could be drifting through our galactic neighborhood today and might even be bright sources ...
Astronomy
Feb 22, 2018
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A new study published in Physical Review Letters outlines how scientists could use gravitational wave experiments to test the existence of primordial black holes, gravity wells formed just moments after the Big Bang that ...
General Physics
Nov 30, 2017
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UCLA physicists have proposed new theories for how the universe's first black holes might have formed and the role they might play in the production of heavy elements such as gold, platinum and uranium.
General Physics
Sep 1, 2017
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(Phys.org)—A team of researchers at the University of California has come up with a new theory to explain how heavy elements such as metals came to exist. The group explains their theory in a paper published in the journal ...
Astronomers like to say we are the byproducts of stars, stellar furnaces that long ago fused hydrogen and helium into the elements needed for life through the process of stellar nucleosynthesis.
General Physics
Aug 4, 2017
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An interdisciplinary team of physicists and astronomers at the University of Amsterdam's GRAPPA Center of Excellence for Gravitation and Astroparticle Physics has devised a new strategy to search for 'primordial' black holes ...
Astronomy
Jun 13, 2017
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304
The nature of the dark matter which apparently makes up 80% of the mass of the particles in the universe is still one of the great unsolved mysteries of present day sciences. The lack of experimental evidence, which could ...
Astronomy
Mar 6, 2017
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