Chinese astronauts enter 3rd space station module

Three Chinese astronauts entered China's third and final module at its permanent Tiangong space station on Thursday. Mengtian was blasted into space on Monday afternoon. The three astronauts arrived in early June for a six-month stay on board, during which they will complete the station's assembly, conduct space walks and carry out additional experiments. 

Following Mengtian's arrival, an additional uncrewed Tianzhou cargo craft is due to dock with the station next month, at which time crews may overlap as Tiangong has sufficient room to accommodate six astronauts. It will provide space for science experiments in zero gravity, an airlock for exposure to the vacuum of space, and a small robotic arm to support extravehicular payloads.