Part Of This Famous Supernova Is Somehow Moving Backwards - IFLScience

4/1/2022 12:00:00 AM3 years 1 month ago
by Dr Alfredo Carpineti
by Dr Alfredo Carpineti
Supernova Cassiopeia A is one of the best-studied supernova remnants in the Milky Way. From our point of view, the shell of plasma has been expanding for 3
Supernova Cassiopeia A is one of the best-studied supernova remnants in the Milky Way. From our point of view, the shell of plasma has been expanding for 350 years at an average rate of between 4,000… [+2465 chars]
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