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一项初始计划仅为四年的“旅行者”空间探测任务成就了迄今仍在运行、时间跨度长达几十年之久的星际之旅。就“旅行者”1号而言,到2025年左右可能因动力耗竭而停止工作,再也无法向地球传送数据。然而在运行期间,它们向人类呈现的结果既前所未有,又令人兴奋。当1977年“旅行者”1号、2号空间探测器相继发射之时,国际上围绕深空探测计划开展已近20年了:1957年10月,前苏联发射了第一颗环绕地球
An “four-year-old” space exploration mission for travelers made the Star Trek, which is still in operation for decades, spanning decades. As far as “Traveler ” No. 1, by 2025 may be due to exhaustion and stop working, no longer be able to send data to the Earth. However, the results they presented to humans during their operations were both unprecedented and exciting. When the “travelers” 1 and 2 space probes were launched in 1977, the space exploration program around the world has been going on for nearly 20 years: in October 1957, the former Soviet Union launched its first orbiting earth