China Launches Final Module To Complete Tiangong Space Station

The third and final module has arrived at China's Tiangong space station. Space.com reports: The Mengtian module launched to Earth orbit atop a Long March 5B heavy-lift rocket from Wenchang, south China, at 3:37 a.m. EDT (0737 GMT and 3:37 p.m Beijing time) on Monday (Oct. 31), according to the state-run outlet Xinhua News. Mengtian arrived at Tiangong as planned about 13 hours after liftoff, according to the China Manned Space Agency. The launch marked China's ninth space station-related mission since sending the Tianhe core module into orbit in April last year. Mengtian, whose name means "Dreaming of the Heavens," is a 58.7-foot-long (17.9 meters) and roughly 48,500-pound (22 metric tons) spacecraft designed mainly to host an array of science racks and experiments. Equipment installed on board Mengtian will be used for experiments related to microgravity, fluid physics, materials science, combustion science, fundamental physics and more. The docking of Mengtian with Tiangong marks the end of the space station's assembly phase and the start of full operations, Chinese space officials have said. Mengtian's arrival allows China to realize a vision for a space station approved way back in 1992. The Tiangong space station consists of Tianhe, Mengtian and a module called Wentian. The T-shaped Tiangong will host three astronauts for six months at a time, or six crew members for a brief time during crew handovers. Tiangong's first crew handover is expected before the end of the year when the ongoing Shenzhou 14 mission astronauts welcome aboard the new Shenzhou 15 crew, who will launch on a Long March 2F rocket from the Gobi Desert. Ahead of this, China will launch the Tianzhou 5 cargo mission to Tiangong in November to deliver supplies to support the new crew expedition. [...] The space station will also support a powerful survey space telescope named Xuntian that China plans to launch as soon as late 2023. The Hubble-class observatory will operate in a similar orbit to that of Tiangong, meaning it will be able to dock at the station for refueling, upgrades and repairs. Meanwhile, China's first astronaut, Yang Liwei, said earlier this year that Tiangong could be opened to tourism in the future.Read more of this story at Slashdot.
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