Mars Nirgal Vallis
August 28, 2012
This view of channels on Mars came from NASA's Mariner 9 orbiter. In 1971, Mariner 9 became the first spacecraft to enter orbit around Mars.
Image Credit: NASA/JPL-Caltech
Topics:
Environment, Technology Internet, Space technology, Spaceflight, Spacecraft, National Aeronautics and Space Administration, Mariner 9, Mars Climate Orbiter, Vallis, Exploration of Mars, Mars, Jet Propulsion Laboratory
