NASA’s Newest Robots Will Spy on Mysterious Lil Asteroids

NASA missions come packaged two ways. They’re either deep explorations of the familiar—STEREO’s focus on the sun, the International Space Station’s study of what microgravity does to the human body—or a trip to some crazy place no one has ever seen before. But still, any strange, distant object the agency targets will likely hold some clue about the origins of life. Humans are spacefaring narcissists that way.

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