Research NewsGamma-Ray Bursts

Visible 'Source' Teases Observers

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Science  25 Apr 1997:
Vol. 276, Issue 5312, pp. 529-530
DOI: 10.1126/science.276.5312.529

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Just when astronomers thought they might be solving one of their longest running mysteries--where the flashes of gamma rays called gamma-ray bursts (GRBs) come from--the story has taken another dizzying twist. Astronomers had linked a GRB to a glowing spot that seemed to lie in the distant universe (Science, 21 March, p. 1738). A new analysis of Hubble Space Telescope data, however, suggests the spot is moving across the sky and may lie within a few hundred light-years of Earth.