Here in this video Neil deGrasse Tyson tells us about the shocking Chelyabinsk asteroid explosion that lit up the sky in Russia and injured nearly 1,000 people due to the shockwave that shattered windows. He also talks about the Tunguska event, a massive asteroid airburst in 1908 that flattened 10,000 square kilometers of forest without even touching the ground. #science #physics #education #asteroid #chelyabinsk #tunguska #explosion #shockwave #massive #neildegrassetyson #reel #reels | The Quan