https://spacescoop.org/en/scoops/2308/a-supernova-coming-back-to-life/

For only the second time, astronomers saw a supernova light up again. Strange, since the brightness of supernovae fades away in a couple months.

An international team of researchers from Kyoto University and Osaka University were looking at SN 2018ivc using the ALMA Observatory, the Atacama Large Millimeter/submillimeter Array in  Chile, and found something unusual.

 

- By the way, the SN in SN2018ivc stands for supernova. 

SN 2018ivc, located in the galaxy M77, appeared to dim 200 days after the initial explosion and began to light up again 800 days later.

- Also by the way, the M in M77 stands for Messier. 

 

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