News Planetary Science

Meteor explosions like this year’s Russian fireball more common than thought

Chelyabinsk-sized rocks may come to Earth every 30 years, on average

SPACE ROCKS This 570-kilogram meteorite was recovered from Lake Chebarkul on October 16.

Courtesy of Science/AAAS

By Andrew Grant

- More than 2 years ago

Meteor impacts such as February’s explosion over Chelyabinsk, Russia, the most powerful observed in a century, may occur more frequently than thought.