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Science 6 April 2001:
Vol. 292. no. 5514, pp. 27 - 28
DOI: 10.1126/science.292.5514.27a
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News of the Week

ASTROPHYSICS:
Farthest Supernova Yet Bolsters Dark Energy

Mark Sincell

A star exploding in another galaxy has just given a fresh boost to the theory that the universe is flying apart at ever-increasing speeds. The most distant supernova ever discovered, SN1997ff, is so bright that it rules out two popular explanations for the systematic dimming of distant supernovae, bolstering the case for unseen "dark energy" that is pushing the universe apart.

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