Video footage from a school classroom shows pupils and a teacher in shock as the school's windows shatter from the impact of a meteorite that had exploded in the Chelyabinsk region of Russia.
More than 750 people were injured.
Where did it come from? What was it made of? What can be done if we know a meteor or asteroid is going to hit Earth?
A look at some of the best video from the Russian Meteor. More than 400 people were injured after it flew over a Russian city.