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About This Image
In 1054 AD, Chinese astronomers were startled by the appearance of a new star, so bright it could be seen in broad daylight for several weeks. Today, the Crab Nebula is what's left of the supernova explosion they witnessed.
Credit: NASA and The Hubble Heritage Team (STScI/AURA)
Acknowledgment: W. P. Blair (JHU)
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