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Contact: Francis Reddy
francis.j.reddy@nasa.gov
301-286-4453
NASA/Goddard Space Flight Center

A Blue Supergiant Star

Caption: A blue supergiant star, illustrated here, may be the most likely source of ultra-long gamma-ray bursts like GRB 130925A, which last hours rather than seconds. These stars contain about 20 times the sun's mass and may reach sizes large enough to span Jupiter's orbit.

Credit: NASA's Goddard Space Flight Center/S. Wiessinger

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Related news release: Out of an hours-long explosion, a stand-in for the first stars


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