1986 Event Voyager 2 makes 1st fly-by of Uranus (81,593 km), finds new moons 1984 Event U.S.S.R. launches Vega 2 for fly-by of Halley's Come 1979 Event Pioneer 11 makes 1st fly-by of Saturn, discovers new moon, rings 1977 Event Voyager 2 launched for fly-by of Jupiter, Saturn, Uranus, Neptune 1977 Event Voyager 1 (U.S.) launched toward fly-by of Jupiter, Saturn 1975 Event U.S. Mariner 10 makes 3rd and final fly-by of Mercury 1974 Event U.S. Mariner 10 makes 2nd fly-by of Mercury 1974 Event Mariner 10's, 1st fly-by of Mercury, returns photos 1973 Event Pioneer 10 passes Jupiter (1st fly-by of an outer planet) 1973 Event U.S.S.R. launches Mars 4 for fly-by (2600 km) of red planet 1969 Event Mariner 6 launched for fly-by of Mars 1967 Event Mariner 5 makes fly-by of Venus 1962 Event Mariner 2 makes 1st U.S. fly-by of another planet (Venus) 1959 Event U.S.S.R. launches Mechta, Luna 1, for 1st lunar fly-by, 1st solar orbit
