Chelyabinsk meteor explosion a 'wake-up call', scientists warn

Three studies have revealed details of the meteor that exploded above Russian city, Chelyabinsk, inFebruary this year.

Their findings, published today in a pair ofpapers in Nature and one in Science, provide information about the meteor’s origin, trajectory, power and damage by the airburst (the shock wave that travelled through the air from the explosion).

These findings may help to refine theoretical models about the likely frequency of such events, the potential damage they could cause and hazard mitigation strategies needed for planetary protection.

Read More..