NASA
A model of the Mariner-C spacecraft seems to float in the darkness of space in this photo from a June 1964 Conference on New Technology at NASA’s Glenn Research Center in Cleveland.
Mariner-C and Mariner-D were identical spacecraft designed by NASA’s Jet Propulsion Laboratory to fly by Mars and photograph the Martian surface. Mariner-C was launched on Nov. 4, 1964, but the mission ended unsuccessfully two days later. Mariner-D, or Mariner 4, launched on Nov. 28, 1964, and became the first successful mission to Mars, as well as the first mission to photograph a planet from space.
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Image Credit: NASA