A Space Rock by the Numbers: What Scientists Know About the Chelyabinsk Meteor

A Space Rock by the Numbers: What Scientists Know About the Chelyabinsk Meteor
The latest numbers from worldwide tracking stations and authorities on the ground indicate the Chelyabinsk meteor was the largest since the 1908 Tunguska event; exploded with a yield of about 500 kilotons and didn’t cause nearly as much damage as it
View Comments (0)