A supernova seen 1000 years ago is still expanding today | Eurasia Diary - ednews.net

19 April, Monday


A supernova seen 1000 years ago is still expanding today

The Crab Nebula goes back to 1054, opening a window into our cosmic past.

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On July 4, 1054, Chinese astronomers recorded a “guest star” in the Taurus constellation.

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Later research uncovered contemporaneous sightings in Japan and the Middle East.
 
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Temporarily outshining Venus, it faded after about two years: a common supernova.
 
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Hundreds of years later, its remnant was astronomically discovered.
 
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Halley’s comet was due to return that year, also in Taurus.
 
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