stellarmass

Meta: Rogue black hole: First truly isolated stellar-mass black hole found

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Rogue black holes are usually detected by the matter falling into them, but the first truly isolated black hole has been found because of the way it bends the light of a distant star Space 3 February 2022 By Alex Wilkins Artist’s illustration of a rogue black hole Shutterstock/Vadim Sadovski An isolated stellar-mass black hole … Read more

40 quintillion stellar-mass black holes are lurking in the universe, new study finds

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Scientists have estimated the number of “small” black holes in the universe. And no surprise: It’s a lot. This number might seem impossible to calculate; after all, spotting black holes is not exactly the simplest task. Because they’re are as pitch-black as the space they lurk in, the light swallowing cosmic goliaths can be detected … Read more