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Evidence of primordial black holes may be hiding in planets, or even everyday objects here on Earth
Study suggests that small black holes born in early universe may have left behind hollow planetoids and microscopic tunnels.
New research co-led by the University at Buffalo proposes thinking both big and small to confirm their existence, suggesting that their signatures could range from very large — hollow planetoids in space — to minute — microscopic tunnels in everyday materials found on Earth, like rocks, metal and glass. Set to be published in the December issue of Physics of the Dark Universe and available online now, the theoretical study posits that a primordial black hole trapped within a large rocky object out in the cosmos would consume its liquid core and leave it hollow. “The chances of finding these signatures are small, but searching for them would not require much resources and the potential payoff, the first evidence of a primordial black hole, would be immense,” says the study’s co-author, Dejan Stojkovic, PhD, professor of physics in the UB College of Arts and Sciences.
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