An unpiloted Chinese spacecraft launched late Monday and linked up with the country’s Tiangong space station a few hours later, providing a lifeboat for three astronauts stuck in orbit without a safe ride home.
A Long March 2F rocket fired its engines and lifted off with the Shenzhou 22 spacecraft, carrying cargo instead of a crew, at 11:11 pm EST Monday (04:11 UTC Tuesday). The spacecraft docked with the Tiangong station nearly 250 miles (400 kilometers) above the Earth about three-and-a-half hours later.
Chinese engineers worked fast to move up the launch of the Shenzhou 22, originally set to fly next year. On November 5, officials discovered one of the two crew ferry ships docked to the Tiangong station had a cracked window, likely from an impact with a small fragment of space junk.
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