How to protect Earth from potentially hazardous asteroids

August 16, 2014 9:42 AM

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Analysis of one of the most infamous near-Earth asteroids has allowed scientists to discover how best to protect Earth from a potential impact.

Researchers studied the near-Earth asteroid 1950 DA and discovered that the body, which rotates so quickly it defies gravity, is held together by cohesive forces, called van der Waals, never before detected on an asteroid.

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