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Laser Defense From Asteroids

Asteroid

Could a “Deathstar” someday defend Earth against incoming threats from space? Last Friday, asteroid 2012 DA14 -- half a football field long and weighing about 190,000 tons -- missed plane Earth in a fly-by. Far smaller and therefore harder to detect was the 50 foot long asteroid that injured more than 1,000 Russians when it stuck a few hours earlier.

 

Space head: Russia may send spacecraft to asteroid

Space head: Russia may send spacecraft to asteroid

Russia's space chief said Wednesday his agency will consider sending a spacecraft to a large asteroid to knock it off its path and prevent a possible collision with Earth.

 

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