>>http://www.telegraph.co.uk/science/space/9111608/Asteroid-heads-towards-Earth-with-one-in-625-chance-of-hitting-planet.html
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>"NASA has said that options include deflecting the asteroid by attaching a probe to it and using the extra gravity this would create to steer it away from Earth over the course of millions of light years."
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>Now that's handy.

The telegraph is a quality paper so its science correspondent probably has a degree in Classics.