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Mariner program
The Mariner program was a program conducted by the American space agency NASA that launched a series of robotic interplanetary probes designed to investigate Mars, Venus and Mercury from 1963 to 1973...
Timeline of Events
1962
7.22.1962
Mariner program: ''Mariner 1'' spacecraft flies erratically several minutes after launch and has to be destroyed.
1964
11.28.1964
Mariner program: NASA launches the Mariner 4 probe toward Mars.
1967
6.14.1967
Mariner program: ''Mariner 5'' is launched toward Venus.
1969
8.5.1969
Mariner program: ''Mariner 7'' makes its closest fly-by of Mars (3,524 kilometers).
1971
5.30.1971
Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
1973
11.3.1973
Mariner program: NASA launches the ''Mariner 10'' toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet.