Contact: Francis Reddy
NASA/Goddard Space Flight Center
Caption: In this artist's rendering of GRB 130925A, a sheath of hot, X-ray-emitting gas (red) surrounds a particle jet (white) blasting through the star's surface at nearly the speed of light. The source may have been a metal-poor blue supergiant.
Credit: NASA/Swift/A. Simonnet, Sonoma State Univ.
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