Which primary module serves as the central hub for Tiangong's life support and control systems?
Answer
Tianhe
The Tianhe module functions as the core operational center of the Tiangong space station. It is responsible for managing the station's vital systems, including guidance, navigation, and attitude control. Furthermore, Tianhe houses the primary living quarters for the crew, which encompasses essential facilities such as a kitchen area, a toilet, and specialized equipment designed to counteract physiological issues like muscle atrophy experienced during long-duration spaceflight. Its launch in April 2021 initiated the assembly sequence for the entire modular complex.

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