Images from a 2D Spheral simulation showing the fragmentation of the Chelyabinsk bolide as it descends through the atmosphere. Credit: LLNL Planetary Defense program Images from a 2D Spheral ...
LOGAN — Shortly after first light on Feb. 15, 2013, a meteor blazed across the western Siberian sky before exploding with an estimated blast yield of up to 500 kilotons of TNT — far more powerful than ...
(AP) Scientists studying the terrifying meteor that exploded without warning over a Russian city last winter say the threat of space rocks smashing into Earth is bigger than they thought. Meteors ...