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.
An illustration shows a primordial black hole forming in a dense sea of quarks and gluons a fraction of a second after the Big Bang.Tiny primordial black holes created during the first fraction of a second after the Big Bang may have had company, in the form of even smaller"supercharged" black holes with the mass of a rhino that rapidly evaporated., which would represent an entirely new state of matter, would have been packed to the brim with"color charge.
To better explore the dark matter/primordial black hole connection, Kaiser and MIT graduate student Elba Alonso-Monsalve set out to discover what these tiny and early black holes are made of. In this case,"absurdly early" means within a quintillionth of a second following the Big Bang. This brief period would have seen the birth of"standard" primordial black holes with masses around that of largeYet Alonso-Monsalve and Kaiser predict that this brief spell would have also seen the birth of a small fraction of exponentially smaller black holes, with masses around that of a rhino and sizes much smaller than a single.
This revealed that the"typical" primordial black hole wouldn't have soaked up a great deal of color charge. This is because the larger region of the quark-gluon plasma they consumed would have contained a mix of color charges, adding up to a neutral charge.
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If the Big Bang created miniature black holes, where are they?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.
Read more »