Mariner 6 & 7
July 31, 1969

 

Photos of Mars taken from Mariner 6 and 7
Photos of Mars taken from Mariner 6 and 7

 
Mariner 6 flies within 3,411 kilometers (2,120 miles) of Mars. With Mariner 7's flyby on August 5, the twin craft complete the first dual mission to Mars.

They fly over the equator and south polar regions and analyze the Martian atmosphere and surface with remote sensors, as well as record and relay hundreds of pictures. The craft take 143 pictures on approach and 55 close-ups of the surface, revealing cratered deserts, depressions with no craters, huge concentrically terraced impact regions and collapsed ridges.


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