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<\/p>\nWatch live! China’s Shenzhou 23 crew launches to Tiangong space station – YouTube
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Watch On <\/a><\/p>\n China is preparing to launch its next crew to the Tiangong space station on Sunday (May 24), on a mission that will relieve astronauts who have been in orbit a month longer than planned, and potentially send one astronaut on China’s first year-long spaceflight.<\/p>\n The 203-foot-long (62 meters) Long March<\/a> 2F rocket that will launch the Shenzhou 23<\/a> mission was transferred 0.93 miles (1.5 kilometers) by rail from the vertical integration building to the pad at Jiuquan Satellite Launch Center in the Gobi Desert on May 16. Teams performed a pre-launch rehearsal on Wednesday (May 20), with the China Manned Space Agency (CMSA) declaring that all facilities and equipment at the launch site are in good condition.<\/p>\n <\/p>\n Launch is scheduled for Sunday at 11:08 a.m. EDT (1508 GMT; 11:08 p.m. local time at Jiuqan). You can watch it live here in the window above; coverage will begin at 8:00 a.m. EDT (1200 GMT).<\/p>\n You may like<\/p>\n The Shenzhou 23 mission will send the next trio of astronauts to Tiangong<\/a> to begin a six-month-long stay aboard the space station. CMSA revealed the crew during a press event on Saturday (May 23). They are Zhu Yangzhu (the Shenzhou 23 commander), Zhang Zhiyuan and Lai Ka-ying. Lai wil become the first astronaut from Hong Kong to fly to space.<\/p>\n The launch will also mark the start of a historic human spaceflight for China: One of the three astronauts will be starting a one-year stay in orbit, a first for the country. This is because Shenzhou 24, due to launch late this year, will be used to send a Pakistani astronaut to Tiangong<\/a> for a short-duration visit. This first international visitor to Tiangong will arrive on Shenzhou 24 but then take the seat of one of the Shenzhou 23 astronauts days later when the spacecraft returns to Earth<\/a>, leaving one Shenzhou 23 astronaut to complete a year in orbit. (CMSA has not yet said which astronaut will fly this extra-long mission.)<\/p>\n The launch of Shenzhou 23 will also signal the end of what has become China’s longest human spaceflight mission to date \u2014 the emergency-impacted Shenzhou 21<\/a>.<\/p>\n The new crew will take control of Tiangong from the Shenzhou 21 astronauts, who saw their Shenzhou 20<\/a> colleagues use their Shenzhou 21 spacecraft to get home after a suspected debris impact damaged<\/a> the Shenzhou 20 vehicle. The uncrewed Shenzhou 22<\/a> was later sent to Tiangong to provide a lifeboat for the Shenzhou 21 astronauts \u2014 Zhang Lu, Wu Fei and Zhang Hongzhang \u2014 and is now scheduled to carry them back to Earth on May 29.<\/p>\n Shenzhou 23 will be the 11th crewed mission to fly to Tiangong. The first such flight took place in June 2021, when Shenzhou 12 visited the station’s Tianhe core module; two further crewed missions aided assembly of the three-module facility, which was complete by late 2022. Shenzhou 22 was launched uncrewed in an emergency response to provide a lifeboat.<\/p>\n![\"Space\"](\"https:\/\/www.space.com\/media\/img\/spc-logo-w.svg\"){kind=logo}
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