China says its newly equipped Tiangong space station will be up and running by next year while the future of the nearly 23yearold International Space Station remains uncertain after 2024. China says its spacecraft has more advanced technology, like a more efficient propulsion system and a tagalong space telescope.

WSJ unpacks the design and technology of both space stations and takes a look at China’s history in space exploration.

Photo: CCTV; NASA

0:00 China’s new space station
1:04 China’s space history
2:20 Module design
4:18 Xuntian telescope and collaborations
6:05 What’s next?

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