Meteor explodes over Russia
Object unrelated to February 15 asteroid flyby
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/02/Russia-dual-smoke-trail-AP-credit.jpg?fit=860%2C460&ssl=1)
SONIC SURPRISE A meteor streaks across the sky over Russia on Friday morning. The fireball was the largest known to have detonated in the atmosphere since 1908.
AP Photo, Chelyabinsk.ru