On September 24, 2182, if humanity takes no steps to prevent it and the odds line up, it will hit the surface of the Earth at a velocity of Mach 36, or 27,000 miles per hour - a freight train crashing into the planet.
In 2011, NASA awarded me a billion dollars to accomplish just that. The mission would come to entail not only sending a spacecraft to the asteroid but bringing a piece of it back to Earth.
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