Mariner 4
LocationSolar orbit
Year1964
Size4 solar panels
TypePlanetary probe
About Mariner 4
Made the first successful flyby of Mars in July 1965. Returned 21 complete images of the Martian surface. Revealed a cratered, Moon-like landscape. Dashed hopes of finding canals or abundant life. Its data showed a very thin atmosphere. Contact ended in 1967.
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