The unmanned spacecraft, Mariner 4 was launched in November 1964 to study Mars and interplanetary space within the solar system. On board were a television camera and six other science instruments. Mariner 4 reached Mars on July 14, 1965 and just after midnight on July 15, 1965, the spacecraft began sending television images revealing a vast, barren wasteland of craters and rust-colored sand. Though barren, there did appear to be ancient natural waterways of some kind. Mariner 4 journeyed on to the far side of the sun and returned to the vicinity of Earth in 1967. By then the spacecraft was nearly out of power and communication with the spacecraft was terminated in December 1967.
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