Russia scientists call for prevention after space rock blast
Sunday, February 17, 2013 - 00:30
in Earth & Climate
As officials hunt for pieces of the rock, scientists say the event over Chelyabinsk is a warning to implement a monitoring system to better detect celestial objects and avert catastrophes.MOSCOW — As Russian authorities searched Saturday for remnants of the space object that startled residents of the southern Ural Mountain region a day earlier, scientists called its shock wave a loud warning that they hoped would inspire action to prevent potential catastrophes.