From Bryan Gaensler:
Back of envelope calc: 10^6 [1,000,000] cubic parsecs fried by #M82supernova. Approximately 5000 earth-like planets wiped out.
From Bryan Gaensler:
Back of envelope calc: 10^6 [1,000,000] cubic parsecs fried by #M82supernova. Approximately 5000 earth-like planets wiped out.