It was the explosion seen 'round the world. A meteor exploded over Russia, injuring 571 people and sending 34 to the hospital. But what caused this phenomenon…
It was the explosion seen 'round the world. A meteor exploded over Russia, injuring 571 people and sending 34 to the hospital. But what caused this phenomenon to happen? NASA has spent the past two weeks making progress in understanding the origin and make-up of the unexpected space rock, and they shared their findings in this week's ScienceCast.
