Meteor clean-up operation
Russian authorities have reportedly sent a 20,000-strong team to the Ural Mountains to help with the rescue and clean-up operation after a meteor struck the area.
Meteor collision research 'needs more money'
Dr Karl Kruszelnicki from the University of Sydney said not enough money is being spent on researching a researching meteor collision. Speaking on the BBC Radio World Service, he said:
Dr Kruszelnicki said there were two possible ways to averting a potential meteoric disaster: painting the meteor white, so that the sun exerts more pressure on it, thus pushing past earth, or using a rocket to push it out of the earth's path. He explained:
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Your questions answered on the 33,000 mph meteor
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?
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Best video of the Russian meteor
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.