Tianhe, which means “harmony of the heavens”, is the core module for China’s proposed orbital space station. It is around 18 m long and weighs 24 tonnes. It will be part of China’s three-module space station. Tianhe recently passed the flight acceptance review. It will provide the power and propulsion for the entire space station and act as the main living quarters for the crew. It is to be launched using Long March 5B.


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