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Astronomers caught a star exploding 500 million light-years away almost the moment it began
Astronomers caught a massive star exploding 500 million light-years away almost from the moment the event began. A brief X-ray flash detected on March 21, 2026 turned out to be the opening signal of ...
Observations from the Dark Energy Camera show the evolution of a supernova, including a bright blue source of light before the explosion (top box), the initial blast ...
In just the second confirmed sighting of its kind, astronomers have observed the earliest moments of a supernova, with some help from Kitt Peak National Observatory southwest of Tucson. The ...
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