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9月15日22时04分,搭载着天宫二号空间实验室的长征二号FT2运载火箭在酒泉卫星发射中心点火发射。约575秒后,天宫二号与火箭成功分离,进入预定轨道,发射取得圆满成功。天宫二号空间实验室是在天宫一号目标飞行器备份产品的基础上改进研制而成,全长10.4米,最大直径3.35米,太阳翼展宽约18.4米,重8.6吨,采用实验舱和资源舱两舱构型,设计在轨寿命2年。天宫二号在轨飞行期
On September 15 at 22:04, the FT2 launch vehicle equipped with the space laboratory at Temple 2 was fired at the Jiuquan Satellite Launch Center. About 575 seconds later, the Temple of Heaven II successfully separated from the rocket and entered the scheduled orbit. The launch achieved a complete success. Tiangong 2 space laboratory is developed on the basis of the Tiangong 1 target aircraft backup product. The total length is 10.4 meters and the maximum diameter is 3.35 meters. The solar wing exhibits a width of 18.4 meters and a weight of 8.6 tons. The experimental cabin and the resource cabin Two-cabin configuration, design life in the rail 2 years. Temple 2 in orbit flight period