Researchers from the University of Illinois and Norhwestern University have created a camera which functions like a human eye. The camera is about the size of a nickel, has a 3.5x optical zoom, takes very clear photos and is inexpensive to make.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.
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