Iran Press/ Asia: The module is the second of three launched so far as Beijing hopes to complete its space station by the end of the year.
A live feed on state broadcaster CCTV showed the 23-tonne Wentian ("Quest for the Heavens") laboratory module launching on the back of China's most powerful rocket, the Long March 5B, at 2:22 p.m. (0622 GMT) from the Wenchang Space Launch Center on the southern island of Hainan.
Space agency staff, seen on the live feed observing the progress of the launch from a control room, cheered and applauded when the Wentian separated from the rocket about 10 minutes after the launch.
The launch was "a complete success," CCTV reported shortly after.
China began constructing the space station in April 2021 with the launch of the Tianhe module, the main living quarters, in the first of 11 crewed and uncrewed missions in the undertaking.
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