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Scientists trace famed 1987 supernova to weird blue supergiant star

Mar 22, 2020
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"was ejected from the explosion at speeds of over 2,485 mph (4,000 km/s)."

I guess accuracy checking in Space.com articles is too much to ask for?
 
Oct 22, 2019
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I'm guessing that this was the result of an error in automated unit conversion filter. It's obvious that 4000 km/s was the original value.
 

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