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Human beings may not have gone farther than Earth’s moon, but our robot minions—that is, our rovers, satellites, and space probes—have voyaged throughout the solar system. And they’ve brought cameras. Michael Benson’s stunning new book, Planetfall: New Solar System Visions (Abrams), showcases their photographic efforts. This image, taken by the Mars rover Opportunity at Victoria Crater, shows the rover’s tire tracks in the foreground.
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