The United States launchs detector to be close to solar system brim 33 years ago (group plan) net of sina of _ of _ news centerGlobal Network reporter Xue Shanshan reported December 15, according to the U.S. "Washington Post" news, in 1977 NASA launched two "Voyager" was (Voyager) spacecraft is still operating the spacecraft from the Earth the farthest. Which 1 spacecraft 33 years after the long journey, flying more than 11 billion miles (about 17.7 billion kilometers), the current is close to the edge of t
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