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NASA/CXC/Universidad Católica de Chile/F.Bauer et al.
Astronomy

Cosmic Blast of X-rays Inexplicably Outshines All of a Galaxy's Stars

A mysterious, sudden, and bright flash of X-rays was caught by the Chandra X-ray Observatory, with astronomers wondering if it signals a completely new type of cataclysmic event.

April 4, 2017
10:18 AM EDT