A spacecraft on a mission to bite off a piece of an asteroid just flew past Earth, snapping a photo of our home planet along the way.
NASA's OSIRIS-REx spacecraft is expected to get to the asteroid Bennu next year, but on Friday, about one year after its launch, the spacecraft slingshotted around Earth to get it speeding in the right direction for its meetup with the space rock, which is taller than the Empire State Building.
Scientists took the opportunity to snap photos of Earth for a composite image showing our entire planet. Read more...
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