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The universe teems with weird black holes, gravitational-wave hunters find

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www.sciencemag.org

Adrian ChoLess than 5 years ago, physicists rocked the scientific world when they first spotted gravitational waves—fleeting ripples in space and time—set off when two gargantuan black holes billions of light years away swirled into each other.

Since then, scientists have detected a scad of similar events, mostly reported event by event. Today, however, researchers with a global network of gravitational wave detectors announced the first major statistical analyses of their data so far, 50 events in all.

Posted online in four papers, the analyses show that black holes—ghostly ultra-intense gravitational fields left behind when massive stars collapse—are both more common and stranger than expected.

Read more on sciencemag.org
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