#Astronomy; First supernova seen in the Milky Way since Galileo time. Bob Zimmerman BehindtheBlack.com

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#Astronomy; First supernova seen in the Milky Way since Galileo time. Bob Zimmerman BehindtheBlack.com  
https://behindtheblack.com/behind-the-black/points-of-information/watch-a-still-brightening-new-supernova-only-20-million-light-years-away/