New space nuclear reactor could power ten International Space Stations

An in-development nuclear reactor has passed a recent evaluation by China's Ministry of Science and Technology, and can produce one megawatt of electricity.

Published Sep 2, 2022 4:01 AM CDT   |   Updated Tue, Sep 27 2022 12:03 AM CDT
1 minute & 30 seconds read time

A Chinese nuclear reactor under ongoing development and intended for use in space applications has passed a comprehensive performance evaluation by China's Ministry of Science and Technology on August 25th, 2022.

New space nuclear reactor could power ten International Space Stations 01

Multiple state media outlets reported on the reactor passing its evaluation, but they have since been deleted, despite not containing any technical details regarding the reactor. The Chinese Academy of Sciences designed the reactor, with the project beginning in 2019. It can produce one megawatt (MW) of electricity, though specific applications for the technology have yet to be revealed. This number dwarfs the energy required to run the International Space Station (ISS), which requires between 84 and 120 kilowatts.

Wu Weiren, the director of China's recently-established Tiandu deep space exploration laboratory, called for space-based nuclear power innovations to support future missions. The nation could use the new technology to support China's currently-in-development space station, Tiangong. The space station has an expected lifetime of at least ten years, but this could be extended with a nuclear power upgrade, or additional future space stations may benefit from the technology.

Current Chinese mission proposals seeking nuclear power include spacecraft that would head out of the solar system, similar to NASA's Voyager spacecraft. Another mission involves sending a satellite to orbit Neptune, utilizing electric propulsion that derives its power from an onboard nuclear reactor.

"Strategic competitors including China are aggressively investing in a wide range of space technologies, including nuclear power and propulsion. The United States needs to move at a fast pace to stay competitive and to remain a leader in the global space community," said Bhavya Lal, speaking before the U.S. House of Representatives' Science, Space and Technology Committee in October 2021.

Read more: Dept. of Defense will launch two nuclear-powered spacecraft in 2027

Read more: Giant robot arm on space station has captured stunning views

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NEWS SOURCES:space.com, spacenews.com

Adam grew up watching his dad play Turok 2 and Age of Empires on a PC in his computer room, and learned a love for video games through him. Adam was always working with computers, which helped build his natural affinity for working with them, leading to him building his own at 14, after taking apart and tinkering with other old computers and tech lying around. Adam has always been very interested in STEM subjects, and is always trying to learn more about the world and the way it works.

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