LIGO
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A team of European researchers has suggested that the Moon’s orbit could be used as a gigantic detector for gravitational waves. These waves, much smaller than those that existing detectors can pick up, could originate from the early universe.
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A huge range of dark matter suspects are being investigated. In a new study, astronomers have searched for clouds of hypothetical ultralight particles that could congregate around black holes, and reveal themselves by sending out gravitational waves.
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Astronomers have reported a bumper crop of new gravitational wave detections. The 35 new signals, comprising the third Gravitational-Wave Transient Catalog (GWTC-3), help scientists probe the depths of the cosmos in more detail.
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Astronomers have proposed a novel solution to one of the many mysteries of black holes – why do so many seem to be more massive than expected? A new model suggests that their growth may be “cosmologically coupled” to the expansion of the universe.
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It’s tricky detecting gravitational waves – these spacetime ripples are often drowned out by background vibrations from earthquakes and human activity. Now a pair of astrophysicists has proposed a new location that would be far quieter – the Moon.
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Astronomers have detected the final piece of the gravitational wave trifecta – a black hole swallowing a neutron star. Two separate events rolled in just days apart, with the black holes gobbling up the stars like Pac-Man rather than Cookie Monster.
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“Stationary” has very different meanings in quantum scales – an object that looks perfectly still to us is made up of bouncing atoms. Now, scientists have managed to slow down the atoms almost to a complete stop in the largest macro-scale object yet.
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With elusive dark matter continuing to evade detection, scientists are having to search in stranger and stranger places. In a new study, physicists at MIT have studied the spins of black holes for signs of drag from dark matter slowing them down.
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The gravitational waves we’ve detected so far have been like tsunamis in the spacetime sea. Now, a 13-year survey of light from pulsars scattered across the galaxy may have revealed the first hints of gentle gravitational wave background signals.
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The LIGO and Virgo Scientific Collaboration has detected gravitational waves coming from the most massive black hole collision that it's ever recorded. The end result created a gargantuan black hole that belongs to a new class.
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Classical physics describes how large objects and systems work on an everyday scale, while quantum physics describes the “spooky” subatomic world. Now scientists have observed a rare crossover where a quantum fluctuation affected a macroscale object.
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Astronomers have observed a bright flash of light from space, which appears to have come from a collision between two black holes. And that’s surprising, considering that black holes are famously dark objects.
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