There are oases of water-rich soil that could sustain astronauts on the Moon, according to Nasa. Scientists studied the full results of an experiment that smashed a rocket and a probe into a lunar crater last year. The impacts kicked up large amounts of rock and dust, revealing a suite of fascinating chemical compounds and far more water than anyone had imagined.
A Nasa-led team tells Science magazine that about 155kg of water vapour and water-ice were blown out of the crater. The researchers' analysis suggests some areas of lunar regolith, or soil, must contain as much as 5% by weight of water-ice.
The researchers' analysis suggests some areas of lunar regolith, or soil, must contain as much as 5% by weight of water-ice. "That's a significant amount of water," said Anthony Colaprete, from the US space agency's Ames research centre.
"And it's in the form of water-ice grains. That's good news because water-ice is very much a friendly resource to work with. You don't have to warm it very much; you just have to bring it up to room temperature to pull it out of the dirt real easy.
"Just as a point of reference - in about a tonne of material, at about 5%, you're talking 11-12 gallons of water that you could extract."
Artist's impression of LCROSS (Northrop Grumman) The LCROSS spacecraft followed closely behind the spent rocket stage
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