Asteroid, Asteroid 2012 Da14 | featured news

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.

 

Watch an asteroid buzz past us ... online

Asteroid

Science editor Alan Boyle's blog: The best way for most of us to watch asteroid 2012 DA14 come within 17,200 miles of Earth, and then recede harmlessly into the cosmos, is to watch the show online.

 

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