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Science 11 August 2006:
Vol. 313. no. 5788, p. 749
DOI: 10.1126/science.313.5788.749
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News of the Week

ASTRONOMY:
Do Gamma Ray Bursts Always Line Up With Galaxies?

Govert Schilling

Gamma ray bursts, hugely energetic explosions in the distant universe, apparently prefer to go off in places where at least one galaxy lies between them and Earth. But quasars, which are also very remote, don't share that preference--and nobody can explain why. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)