Moon exploration: Astronauts could get water from lunar rocks

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A landscape view of the surface of the moon

These moon rocks could be a source of water for future astronauts

NASA Johnson

Future lunar explorers may be able to wring water from a stone. A prototype device has extracted water and oxygen from artificial moon dust efficiently and autonomously.

About half of the soil on the moon is made of silicon or iron oxides, which are rich in oxygen. Michèle Lavagna at the Polytechnic University of Milan in Italy and her colleagues built and tested a device to extract that oxygen. Lavagna presented this work at a virtual meeting …

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