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Water found in lunar impact likely came from comets

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posted on Nov, 19 2009 @ 08:16 PM
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Water found in lunar impact likely came from comets


www.newscientist.com

The mystery of where the moon's water came from may soon be solved. Evidence from NASA's LCROSS mission suggests much of it was delivered by comets rather than forming on the surface through an interaction with the solar wind.
The first line of evidence comes from compounds that vaporise readily, called volatiles. LCROSS found spectral signs of volatiles containing carbon and hydrogen – likely methane and ethanol – as well as others such as ammonia and carbon dioxide. "It appears that we impacte
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Major water find on the Moon!




posted on Nov, 19 2009 @ 08:16 PM
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It's looking more like the moons water is cometary in origin!

"The second line of evidence pointing to comets comes from the amount of water detected. The solar wind is expected to form water in minute amounts, amounting to concentrations of no more than 1 per cent in the lunar soil."

LCROSS team members are still analysing the data, but calculations suggest the concentration of water is higher than that. "The data are consistent with a total hydrogen content in the range of several per cent," says Colaprete.

My thoughts were that this water could be left over from the moons formation presumably by collision involving earth. However:
"These compounds should have been mostly lost to space billions of years ago, when the moon coalesced from the debris of an impact between the Earth and a Mars-sized object. Water formed through an interaction with the solar wind would therefore be relatively pure – and free of volatiles.

www.newscientist.com
(visit the link for the full news article)



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