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【背景材料】北京时间 2005年10月12日9时整,我国自主研制的“神舟”六号载人飞船在酒泉卫星发射中心由“长征二号F”大推力运载火箭发射升空;9时9分52秒,飞船准确进入预定轨道,第一次将两名宇航员——费俊龙、聂海胜成功地送上太空。17日3时43分,当“神舟”六号飞船环绕地球飞行第77圈到达南大西洋上空时,守候在那里的“远望”三号船向其发出了返回指令。飞船接受指令后,即由飞行姿态调整为返回姿态,返回舱与轨道分离,随即制动发动机点火,推动返回舱穿越大气层,于2005年10月17日
[Background Materials] Beijing Time: At 9:00 on October 12, 2005, China’s self-developed “Shenzhou” manned spacecraft 6 was launched by the “Changzheng No. 2” high thrust carrier rocket at the Jiuquan Satellite Launch Center; 9:00 In 9 minutes and 52 seconds, the spacecraft accurately entered the scheduled orbit and successfully delivered two astronauts, Fei Junlong and Nie Haisheng, into space for the first time. At 3:43 pm on the 17th, when the “Shenzhou VI” spacecraft circled the 77th orbit of the Earth to reach the South Atlantic Ocean, the “Yuanwang” No. 3 ship waiting there sent a return order. After the spacecraft accepts the instruction, it adjusts the attitude of the aircraft to the return attitude. The return capsule is separated from the orbit, and then the engine is ignited to drive the return capsule through the atmosphere. On October 17, 2005