Shockwaves… shockingly slow.

I researched a supernova explosion for book 3 of my series, and found out something that surprised me. Supernova explosions don’t really eject matter that fast. 8 miles per second. For comparison, satellites orbit in LEO at about half that, and I believe the New Horizons spacecraft is heading toward Pluto at more than 8mps. … Continue reading Shockwaves… shockingly slow.