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supernova remnantCNN
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84% Informative
A new study has for the first time described SN 1181 in detail by creating a computerized model of the supernova ’s evolution from immediately after the initial outburst until today .
It took astronomers 840 years to solve the first great riddle — pinpointing its location in the Milky Way.
The study also found that, inexplicably, high-speed stellar wind started to blow from the surface of the zombie star as recently as 20 years ago .
SN 1181 contains no hydrogen or helium, which is highly unusual in space.
An inner shock region might be a sign that the star has started to burn again, centuries after the explosion.
High-speed stellar wind seems to have started blowing from the surface of the star just 20 to 30 years ago .
In our lifetime, he added, astrophysicists will not get any better observed case for a Type Iax event, so researchers should push hard for understanding SN 1181 . For more CNN news and newsletters create an account at CNN.com .
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