Astronomers have spotted AT2025ulz, a rare dual explosion — a supernova and a kilonova — that may be the first-ever observed ...
A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...
In a galaxy far, far away, a massive star suffered a nasty double whammy. On Oct. 20, 2004, Japanese amateur astronomer Koichi Itagaki saw the star let loose an outburst so bright that it was ...
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Why the death of this star is very, very strange
Scientists may have figured out what caused one of the strangest explosions ever observed in our universe: A massive star exploded while getting ripped apart by a black hole. Astronomers identified ...
In the mid-1800s, astronomers surveying the night sky in the Southern Hemisphere noticed something strange. Over the course of a few years, a previously inconspicuous star named Eta Carinae grew ...
Astrophysicists measured the light for exploding stars called supernovae to arrive at the most precise limits yet for the universe's composition - Copyright AFP/File ...
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