Four years ago, an asteroid the size of a city bus screamed across the skies of Chelyabinsk, Russia, shattering glass around a 60 mile perimeter and sending 1,200 people to hospitals with related injuries. In an effort to learn more about these rare but dangerous encounters with objects from space, NASA has used a…
Source: Gizmodo – Watch a Simulated Asteroid Hit the Atmosphere at 45,000 Miles Per Hour