Mariner

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Mariner A series of NASA planetary missions exploring Venus (Mariners 2 (1962), 5 (1967), and 10 (1973)) and Mars (Mariners 4 (1964), 6 (1969), 7 (1969), 9 (1971)); Mariner 10 also travelled to Mercury. There was no Mariner 1.

mariner

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mar·i·ner / ˈmarənər/ • n. a sailor.

Mariner

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Mar·i·ner / ˈmarənər/ a series of American space probes launched in 1962–77 to investigate the planets Venus, Mars, and Mercury.