supernova
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The 10 biggest explosions in historyExplosions, both natural and man-made, have caused awe and terror for centuries. Here are 10 of the biggest recorded blasts.
By Charles Q. Choi Last updated
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A nearby supernova nearly blew our solar system to bits 4 billion years ago, new research suggestsA supernova that erupted when a massive star died could have destroyed our infant solar system — if it weren't protected by a cocoon of molecular gas.
By Robert Lea Published
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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.
By Ben Turner Published
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Aliens might be using a nearby supernova to get our attention, new study suggestsSN 2023ixf is the closest supernova to Earth in more than a decade — and the perfect excuse for intelligent aliens to get our attention, new SETI research suggests.
By Briley Lewis Published
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Scientists discover the fastest stars ever seen in the Milky WayAstronomers discovered a new population of ultra-fast-moving stars, including the fastest 'runaway' star ever seen in our galaxy.
By Ben Turner Published
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Are we really all made of stars?Carl Sagan famously proclaimed that humans are 'made of star stuff'. Here's what he meant — and why it's true.
By Remy Melina Last updated
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Cosmic-ray 'GPS' system that tracks underground movement could change the way we respond to disastersA new system that uses subatomic particles produced high in Earth's atmosphere could provide a view inside volcanoes and help locate people trapped beneath rubble.
By Ben Turner Published
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Rare 'warped' supernova revealed through space-time phenomenon predicted by EinsteinThe gravity of a galaxy two-and-a-half billion light-years away has acted like a cosmic magnifying glass to amplify the light of a distant exploding white dwarf.
By Keith Cooper Published
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Watch the biggest supernova in 10 years explode tonight on this free telescope livestreamA newly discovered supernova can be watched as it develops in real-time online and for free. The livestream will begin at 6:30 p.m. EDT (2230 GMT) on Friday, May 26.
By Robert Lea Published
