GRB 080913, a distant supernova detected by Swift. This image merges the view through Swift’s UltraViolet and Optical Telescope, which shows bright stars, and its X-ray Telescope. Credit: NASA/Swift/Stefan Immler The first moments of a massive star going supernova may be heralded by a blast of x-rays, detectable by space telescopes like Swift, which could [...]
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X-ray Burst May Be the First Sign of a Supernova
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