Stargazer95050's articles with the keyword: explosion

Supernovae are among the most powerful events in our universe and they emit unimaginable amounts of energy. And long long time ago, in a galaxy far far away that has happened but it took 11.5 million years and only now does this energy reach us, some of it visible to our eyes. Look up at the sky & search for the M82 "Cigar Galaxy" -- it will be over in a few weeks.