Eros was the first asteroid to be photographed by an orbiting spacecraft. This image shows one of the largest craters on the asteroid's surface, about 4 miles across, near Eros' north pole.
(ASA /JPL / JHUAPL)
Asteroids are in the news a lot these days, from NASA's plans to land a person on one to the calls for better monitoring of nearby asteroids after a relatively small one exploded recently over the Russian town of Chelyabinsk and caused serious structural damage.
But how much do you know about these space rocks that zip past our planet, and every once in awhile impact it?
Take our asteroid quiz and find out.
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