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Mission:
The pair of spacecraft studied the Martian atmosphere
and profiled its chemical composition.

Launch:
Mariner 6: February 6, 1969
Mariner 7: March 27, 1969

Ecounter:
Mariner 6: July 31, 1969
Mariner 7: August 4, 1969

Closest flyby:
3,550 km (2,200 miles)



MARINER 6 & 7
(Mars Orbiter)

Mariners 6 and 7 were designed to fly over the equator and southern hemisphere of the planet Mars. Geologic features - including cratered deserts, huge concentrically terraced impact regions, collapsed ridges and craterless depressions - were among the Mariners' many revelations.

IMAGES

The two spacecraft transmitted to Earth a combined total of 143 approach pictures of the planet and 55 close-up pictures. These images were taken by Mariner 7.

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