Approximately what is the mass of the three-module Tiangong space station compared to the ISS?
Answer
~100,000 kg
The initial, three-module configuration of the Tiangong space station has an approximate mass of about 100,000 kilograms, which is also sometimes referenced as roughly 77 tons. This figure places it significantly smaller in scale when contrasted directly with the International Space Station (ISS), which has a mass approaching 450 tons across its 16 core modules. The intentional difference in size reflects the distinct national development paths undertaken by China after being excluded from the ISS partnership.
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