Black hole
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At the heart of our galaxy lurks a supermassive monster, currently slumbering. But new observations reveal an X-ray “echo” from a time when the Milky Way’s central black hole awoke just 200 years ago, shining a million times brighter than today.
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Gravity is the only fundamental force that can’t currently be explained by quantum physics. Now scientists have outlined a plan to look for signs of quantum gravity out in the cosmos by listening in to the 'ringing' of colliding black holes.
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Decades ago, the astronomy world was taken aback by the discovery of tall light filaments spiking out from around our galaxy's central black hole. Now more filaments have been found, only these have some significant – and puzzling – differences.
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Black holes come in two distinct types – small and supermassive. A group in the middle has long been hypothesized to exist, and now Hubble has found some strong evidence for one of these intermediate-mass black holes in a nearby star cluster.
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Astronomers have captured the biggest cosmic explosion ever detected. About 100 times bigger than the solar system and two trillion times brighter than the Sun at its peak, the mysterious miasma has remained visible for three years.
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Astronomers have detected a supermassive black hole ripping a passing star to shreds. Not only was this closer to Earth than ever seen before, but its location and light emissions were unusual, hinting at a large unseen population of these events.
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Researchers from University College London and the University of Potsdam, Germany have studied two most massive touching stars in a neighboring galaxy that will eventually turn into black holes and collide, sending ripples through space and time.
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In 2019 we got the first-ever direct image of a black hole, which resembled a fuzzy, orange donut. Now the team has refined the iconic image with the help of machine learning to produce the highest resolution image possible with the original data.
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Astronomers have spotted a bizarre sight unlike anything ever seen before. A supermassive black hole has been ejected from its host galaxy, leaving a streak of light about twice as wide as the Milky Way in its wake as the shockwaves create new stars.
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Astronomers have been tracking a mysterious object near the center of the galaxy for decades, and now a new study has shed light on its identity – and its fate in the coming years, when it will be slurped up by the supermassive black hole there.
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A groundbreaking new study could answer a perplexing astrophysics mystery without complicating our current models. Physicists suggest that black holes could contain a strange form of energy that’s accelerating the expansion of the universe.
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The universe is full of bizarre objects, and now astronomers have discovered a doozy – superheavy neutron stars that existed for only fractions of a second, before they collapsed into black holes.
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