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Ling Xin

China has confirmed plans to expand its space station, potentially more than doubling in size to meet growing scientific demand and expand international cooperation.
The Tiangong and the International Space Station (ISS) are the only space stations operating in low Earth orbit.
The ISS, led by Nasa and built with contributions from 15 countries, is the biggest structure in space and has been a laboratory for more than 3,000 experiments.
Nasa plans to retire the ISS in early 2031, using a dedicated deorbit vehicle being developed by SpaceX to guide it into a controlled re-entry over the South Pacific.
China’s T-shaped Tiangong space station will first be fitted with a fourth module – a multifunctional extension to the Tianhe core – turning it into a cross-shaped configuration, according to state broadcaster CCTV.
The new module will have multiple docking ports, including for a pair of future laboratory units, paving the way for a six-module structure with a total mass of about 180 tonnes.
No timeline for the expansion has been released.


The T-shaped Tiangong was completed in 2022, and since then astronauts have used it as a base for more than 260 scientific experiments and 26 space walks.
More than two dozen Chinese astronauts have lived and worked aboard the structure and astronauts from Pakistan, Hong Kong and Macau are expected to join missions as early as this year.
The Tiangong now has about 110 cubic metres (3,900 cubic feet) of habitable space – roughly the size of a three-bedroom flat. It is designed to support three astronauts for longer missions, with capacity for up to six during crew handovers.
Meanwhile, international payloads selected under China’s cooperation with the United Nations Office for Outer Space Affairs are adding to demand for space on board. “At this pace, the Tiangong will soon run out of space,” the CCTV report said.
The planned multifunctional module will be larger than Tianhe and include a new airlock for spacewalks, helping handle the growing traffic of cargo and crewed missions, it said.
To support the expansion, engineers are upgrading the Long March 5B rocket, including a larger payload fairing and another stage to increase its lift capacity for future space station missions.
Hou Yongqing from the China Academy of Space Technology – which designs and builds many of China’s spacecraft, including space station modules – told CCTV last week that designers were also improving the station’s robotic arms to handle a wider range of more complex tasks.
The Tiangong has a designed lifespan of 15 years. During its first five years of operation, Chinese astronauts set a record for the longest single spacewalk. It lasted nine hours and six minutes – surpassing the previous 22-year-old record of eight hours and 56 minutes set by Nasa.


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Science

The Tiangong space station will eventually comprised six modules. Photo: CMSA

China names 2 Pakistani astronauts chosen to train for Tiangong space station mission

Two Pakistani astronauts have been chosen to train for a Chinese space mission, with one expected to serve as the first foreign astronaut to enter the Tiangong space station. Photo: Xinhua

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A Kinetica-2 Y1 carrier rocket, also known as the Lijian-2 Y1, with three satellites onboard blasts off from a launch centre in northwestern China. Photo: Xinhua

A large screen shows news footage of China’s Chang’e-6 lunar probe collecting a sample from the far side of the moon, in Beijing in June 2024. Photo: Reuters

Can Chinese scientists bring Nasa’s ‘space spider’ dream to life?

Astronauts have been bolting together pre-built space modules since the 1980s. Engineers now seek to fabricate components directly in orbit. Photo: CCTV

An illustration of the fundamental principle of on-orbit construction, according to the paper, “Manufacturing and Joining of Composite Units for On-Orbit Construction of Large Structures in Space” published in Space: Science & Technology this month. Photo: Handout

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Nasa’s Artemis II mission lifts off from the Kennedy Space Centre in Cape Canaveral, Florida. Photo: Reuters

The Orion capsule leaving Earth. Photo: Nasa TV via Reuters

(From left) Mission specialist Jeremy Hansen, pilot Victor Glover, commander Reid Wiseman and mission specialist Christina Koch. Photo: AFP

News

China

Plans are under way to add three more modules to the Chinese facility but no timeline has been released to complete the work


Plans are under way to add three more modules to the Chinese facility but no timeline has been released to complete the work.


Hong Kong

Macau

Pakistan

China’s Tiangong space station to double in size as Nasa phases out ISS

.css-1c6uqr6{color:inherit;font-weight:inherit;font-size:inherit;font-family:inherit;line-height:inherit;overflow-wrap:break-word;}Plans are under way to add three more modules to the Chinese facility but no timeline has been released to complete the work

Plans are under way to add three more modules to the Chinese facility but no timeline has been released to complete the work