Department Of Close Calls

by Pejman Yousefzadeh on November 12, 2009

And yes, 8,700 miles away from Earth does qualify as a close call.

One of these days, one of these asteroids is going to be on a collision course with Earth. And it is going to be able to inflict significant amounts of damage unless it is stopped. It is high time we figure out how best to defend ourselves.

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