Space on MSN1 天
Fly Over The 'Grand Canyon' Of Mars In High-Resolution Orbiter Imagery
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 ...
ZME Science on MSN1 天
The moon has its own Grand Canyon that was created in just 10 minutes
Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...