AsteroidThe good news is that virtually all of these objects burned up in the Earth’s atmosphere, and most posed no danger to us. That even includes the largest of these impacts: the meteor that exploded over Chelyabinsk, Russia in February 2013 (shown as a relatively large yellow circle on the map). Though the explosion released about as much energy as the detonation of 500 tons of TNT, shattered windows, and caused about a thousand injuries, the meteor itself broke up in the air and landed in small pieces on the ground. More