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_Astronomy版 - Astronomy Picture of Day: a Slow Explosion
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1 (共1页)
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发帖数: 1994
1
A Slow Explosion
Credit: Y. Grosdidier (U. Montreal) et al., WFPC2, HST, NASA
Explanation: Why would a gamma ray burst fade so slowly? This behavior, recorded last
October, is considered a new clue into the cause of gamma-ray bursts, the most powerful
explosions known in the universe. The burst, first detected by the orbiting HETE satellite and
later tracked by numerous ground-based telescopes, showed an unusually slow and tumultuous
decay in visible light. Speculations on the cause of
1 (共1页)
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