On the left: Shenzhou 14 astronauts Cai Xuzhe, Chen Dong, and Liu Yang on the Tiangong space station. On the right: Shenzhou 15 astronauts Deng Qingming, Fei Junlong, and Zhang Lu. The launch of the Shenzhou 15 crew marked the first time six Chinese astronauts have been in orbit at the same time. Credit: China Manned Space Agency
Three Chinese astronauts were greeted by three of their colleagues Tuesday as they floated into the Tiangong space station following a launch on a Long March rocket earlier in the day, marking the first time China’s space program has had six astronauts in orbit at the same time.