Astronomers have been watching the supergiant WOH G64 for decades – and it might have turned into a hypergiant and be heading ...
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Perseus Cluster X-ray data forces rethink of supernova chemistry models
When Japan’s Hitomi satellite trained its X-ray spectrometer on the Perseus Cluster in early 2016, it had just weeks to live.
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Study links rare blue explosions to dead star collisions with Wolf-Rayet stars
In 2018, astronomers spotted a cosmic explosion unlike anything in their catalogs. Dubbed AT2018cow, or simply “the Cow,” it ...
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