Asteroid is 'practice case' for potential hazards

In research that could aid decisions about future asteroids on a collision course with Earth, MIT researchers have for the first time determined the composition of a near-Earth asteroid that has a very slight possibility of someday hitting our planet.

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<p><a href="http://www.physorg.com/news111406478.html">Asteroid is 'practice case' for potential hazards</a></p> <p>In research that could aid decisions about future asteroids on a collision course with Earth, MIT researchers have for the first time determined the composition of a near-Earth asteroid that has a very slight possibility of someday hitting our planet. </p>