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Time moved '5 times slower' in the early universe, mind-bending black hole study revealsThe observation that the universe appears to run slower in the past was made by scrutinizing the light emitted by gigantic quasars.
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The most powerful black holes in the universe may finally have an explanationQuasars, the most extreme phenomena in the universe, are triggered when galactic collisions deliver gas to feeding black holes, new research suggests.
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Dark matter's secret identity could be hiding in distorted 'Einstein rings'Researchers may be a step closer to identifying dark matter after studying unusual cases of gravitational lensing caused by "dark matter halos" surrounding distant galaxies.
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What's the biggest black hole in the universe?What's the biggest black hole in the universe, and is there a limit to how big black holes can get?
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Rare black hole 1 billion times the mass of the sun could upend our understanding of galaxy formation
The discovery of a hidden primordial black hole, which formed just 750 million years after the Big Bang, suggests that it may be the 'tip of the iceberg' of the cosmic monsters hiding in the early universe.
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New interactive map of the universe is a rainbow-colored slice of cosmic pieAstronomers have created a colorful interactive map of more than 200,000 galaxies and quasars spanning the lifespan of the cosmos.
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'Giant arc' stretching 3.3 billion light-years across the cosmos shouldn't existHow big is too big?
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Most accurate map of our galaxy pinpoints 1.8 billion cosmic objectsWith new data from the European Gaia spacecraft, astronomers can now explore 1.8 billion cosmic objects in unparalleled detail.
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Cosmic Record Holders: The 12 Biggest Objects in the UniverseThings that make you go whoa!
