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A weird cosmic flare called the ‘Cow' now has company

1 month ago   |   By Science News for Students

A weird cosmic flare called the ‘Cow' now has company : First, astronomers discovered the “Cow.” Now they've rounded up a small herd. A short-lived celestial flare-up with a bovine nickname has been joined by two similarly unusual outbursts. The mysterious events were brighter than typical supernovas, explosions of stars that are a common source of temporary light shows in the sky. And the novel bursts came and went quickly, with their visible light brightening and dimming over days instead of the weeks typical of normal supernovas. As particularly luminous examples of a poorly understood...
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