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Results tagged with supernova
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user 28676
Questions regarding stars which increase suddenly in energy output due to an explosion which ejected much of its mass.
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How can we know if a star which is visible in our night sky goes supernova?
If this star were to go supernova tomorrow(not relative to earth's night sky), we would know about it 3000 years later as all the information would take 3000 years to arrive at the least. … At first, I thought detecting the supernova would be easy as we could use X-ray telescopes or other indirect methods to find out the composition of the stars and know if a supernova occurred or not. …
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