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Martian Grand Canyon
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Martian Grand Canyon

While NASA's Curiosity rover sends back gorgeous landscapes from its trek through Gale Crater, the ESA's Mars Express orbiter continues to take high-resolution stereo images from above. This is Valles Marineris, an enormous series of chasms that stretches almost 2500 miles -- for comparison, Arizona's Grand Canyon only reaches about 280 miles. 

Image: ESA/DLR/FU Berlin (G. Neukum)


 

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Air & Space/Smithsonian magazine has been delighting aerospace enthusiasts with the best writing about their favorite subject since April 1986. As an adjunct of the Smithsonian Institution's National Air and Space Museum, Air & Space matches the grand scope of the Museum, encompassing every era of aviation and space exploration. With stories that range from the Wright Brothers to the design of NASA's next lunar lander, Air & Space emphasizes the human stories as well as the technology of aviation and spaceflight.

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