摘要
The Tiangong 1 target vehicle,which had been working in orbit for 1,630days,ceased operation,so formally terminating its data service after exceeding an additional period of service of two and a half years.Since it was launched into orbit on September 29,2011,Tiangong 1 has completed three docking and rendezvous missions with Shenzhou 8,9 and 10 spaceships and completed
The Tiangong I target vehicle, which had been working in orbit for 1,630 days, ceased operation, so formally terminating its data service after exceeding an additional period of service of two and a half years, Since it was launched into orbit on September 29, 201 I, Tian- gong I has completed three docking and rendezvous missions with Shenzhou 8, 9 and 10 spaceships and completed all designed applications tests,
