China Produces Water from Moon’s Soil, Boosts Lunar Outpost Hopes

Chinese scientists say they have found a way to produce water using soil from the Moon.

The discovery could have important implications for China’s decades-long project of building a permanent lunar outpost amid a US-China race to find and mine the moon’s resources.

The scientists claim to have discovered a “brand-new method” of water production using lunar soil brought back from a 2020 expedition, state broadcaster CCTV reported on Thursday, when China’s Chang’e-5 mission saw humans retrieve lunar samples for the first time in 44 years. 

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Researchers from the state-run Chinese Academy of Sciences discovered that the minerals in this ‘moon soil’ contain large amounts of hydrogen, which reacts with other elements when heated to very high temperatures, producing water vapour, CCTV reported.

“After three years of in-depth research and repeated verification, a brand-new method of using lunar soil to produce large amounts of water was discovered, which is expected to provide important design basis for the construction of future lunar scientific research stations and space stations,” said CCTV.

NASA head Bill Nelson has repeatedly raised the alarm about the rapid advances in China’s space programme and the possibility of Beijing dominating the most resource-rich locations on the moon.

Using the new method, one tonne of lunar soil will be able to produce about 51-76 kg of water, equivalent to more than a hundred 500ml bottles of water, or the daily drinking water consumption of 50 people, the state broadcaster said.

China hopes that recent and future lunar expeditions will set the foundations to build the International Lunar Research Station (ILRS), an initiative it is co-leading with Russia.

China Space Station

China’s space agency has set 2035 as the date by when a “basic station” on the moon’s south pole will be built, with a moon-orbiting space station added by 2045.

The announcement of the discovery comes at a time when Chinese scientists are already conducting experiments on lunar samples brought back in June by the Chang’e-6 mission.

While the Chang’e-5 mission brought back samples from the near side of the moon, Chang’e-6 retrieved lunar soil from the far side of the moon, which perpetually faces away from the Earth.

The importance of lunar water goes beyond making permanent human presence viable. NASA’s Nelson told NPR in May that water found on the moon could be used to create hydrogen rocket fuel which could fuel further space exploration to Mars and other destinations.

• Reuters with additional editing by Sean O’Meara

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