Marathon Valley on Mars on Aug.14, 2015,NASA Pancam's color

Marathon Valley on Mars on Aug.14, 2015,NASA Pancam's color filters may be areas where water has altered composition.
Mars rover will soon move to a position that will help the sun-powered robot keep active through the Martian winter.
Georgia Institute of Technology in Atlanta
In 1964, NASA's Jet Propulsion Laboratory made two attempts at reaching Mars. Mariner 3 and Mariner 4 were identical spacecraft designed to carry out the first flybys of Mars.
Between 1960 and 1969, the Soviet Union launched nine probes intended to reach Mars. They all failed: three at launch; three failed to reach near-Earth orbit; one during the burn to put the spacecraft into trans-Mars trajectory; and two during the interplanetary orbit.


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