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Nuclear-Level Asteroids Might Be More Common Th...
The B612 Foundation says asteroids strike Earth much more often than previously thought, and are hoping to build an early warning system.
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Nuclear-Level Asteroids Might Be More Common Than We Realize
The B612 Foundation says asteroids strike Earth much more often than previously thought, and are hoping to build an early warning system.
Date: 4/23/14
Views: 100784
Video by:  Newsy
 
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