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2004年7月1日零时12分(北京时间12时12分),在经过近7年的太空旅行,飞行35亿千米后,“卡西尼”号星际探测器成功飞入土星轨道,开始为期4年的土星探索历程。“卡西尼”号上不仅安装有12台探测设备,还携带了以荷兰物理学家、天文学家和数学家克里斯蒂安·惠更斯(ChristiaanHuygens)名字命名的“惠更斯”号探测器。“惠更斯”号探测器将于今年初着陆土卫六,对这颗太阳系中唯一一颗拥有浓密大气层的卫星进行探测,其任务就是要穿入其大气层,在近3个小时的减速下降过程中,把探测大气层时所得到的数据和图象,用无线电信号传送给轨道上的“卡西尼”号飞船,然后再传回地球。
At 0:12 on July 1, 2004 (Beijing time 12:12), after nearly 7 years of space travel and 3.5 billion kilometers of flying, the Cassini satellite successfully flew into Saturn Track, start a four-year exploration of Saturn journey. “Cassini ” is not only equipped with 12 sets of detection equipment, but also with the name of the Dutch physicist, astronomer and mathematician Christiane Huygens (Christiaan Huygens) “Huygens Number detector. ”Huygens " probe will land at the beginning of this year Titan, the only one in the solar system has a dense atmosphere of the satellite exploration, the task is to penetrate the atmosphere, in nearly 3 hours During the slowdown, the data and images obtained during the detection of the atmosphere were transmitted by radio signals to the orbiting Cassini spacecraft and then to the Earth again.