The Voyager program is an ongoing American scientific program that employs two robotic interstellar probes, Voyager 1 and Voyager 2. They were launched in 1977 to take advantage of a favorable ...

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Contrary to its name, Voyager 2 was the first of the vehicles launched into space first in Aug. 20 1977 from Florida. Its twin probe, Voyager 1, launched two weeks later on Sept. 5. At more than 15 ...