Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: NASA/MSSS/Caltech/ CTX topography: NASA/MSSS/USGS HiRISE: NASA/U.Arizona/USGS/Amaz ...
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ZME Science on MSNThe moon has its own Grand Canyon that was created in just 10 minutesA canyon is a deep, narrow valley with steep sides. Here on Earth, canyons are typically formed by long-term erosion from ...
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