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Radiation exposure on the moon is nearly three times that on the ISS

Astronaut Buzz Aldrin spent less than 24 hours on the surface of the moon

NASA

Astronauts on the moon would face nearly three times more radiation exposure than those aboard the International Space Station, which could make long-term missions riskier than thought.

“Once you’ve survived being on the moon and come back to Earth, radiation damage is what stays with you for the rest of your life and that’s why this is a critical measurement,” says Robert Wimmer-Schweingruber at the University of Kiel in Germany.

Wimmer-Schweingruber and his team analysed several weeks of data acquired by China’s Chang’e …

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