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This Black Hole Was Hiding a Massive Surprise

This Black Hole Probably Shouldn’t Exist Marina Koren There’s a spot in space, thousands of light-years from here, that might best be described as a cosmic amusement park. A supergiant star, so hot that it glows electric blue, and a black hole spin around each other at extraordinary speeds, orbiting so closely that some of the star’s material is pulled toward the black hole. The stellar particles swirl around the invisible object in a tilt-a-whirl of luminous reds and oranges. What the black hole doesn’t swallow, it hurls into space, producing intense jets of radiation. There is a lot going on,” James Miller-Jones, an astrophysicist at Curtin University in Australia, told me.

Black Holes Keep Running Into One Another

A New Era of Black Holes Is Here Thomas Lewton © MARK GARLICK / SCIENCE PHOTO LIBRARY / GETTY When the first black-hole collision was detected in 2015, it was a watershed moment in the history of astronomy. Using gravitational waves, astronomers were observing the universe in an entirely new way. But this first event didn’t revolutionize our understanding of black holes nor could it. This collision would be the first of many, astronomers knew, and only with that bounty would answers come. “The first discovery was the thrill of our lives,” says Vicky Kalogera, an astrophysicist at Northwestern University and part of the Laser Interferometer Gravitational-Wave Observatory (LIGO) collaboration that made the 2015 detection. “But you cannot do astrophysics with one source.”

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