"An asteroid will one day be on a collision course with
Earth. Doesn't it make sense, after going to the moon, to start
learning more about them?"
Source: Rob Landis, engineer at Johnson Space
Center and co-author of a NASA study which outlines a plan to
utilize the next-generation Orion space vehicle to deliver a
two-person pod to the surface of an asteroid as it travels through
space at 28,000 mph.