Shiloh
Editor, Senior Moderator
Source: http://www.bbc.co.uk/news/science-environment-24839601
6 November 2013 Last updated at 13:39 ET
Chelyabinsk meteor: Space rock hit-rate 'underestimated'
By Rebecca Morelle Science reporter, BBC World Service
he threat of another asteroid strike like the one that hit Russia earlier this year is much higher than was previously thought, a study suggests.
Researchers have found that space rocks of a similar size to the one that exploded over Chelyabinsk are hurtling into the Earth's atmosphere with surprising frequency.
Scientists say early warning systems need to be put in place...
6 November 2013 Last updated at 13:39 ET
Chelyabinsk meteor: Space rock hit-rate 'underestimated'
By Rebecca Morelle Science reporter, BBC World Service
he threat of another asteroid strike like the one that hit Russia earlier this year is much higher than was previously thought, a study suggests.
Researchers have found that space rocks of a similar size to the one that exploded over Chelyabinsk are hurtling into the Earth's atmosphere with surprising frequency.
Scientists say early warning systems need to be put in place...