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Moon's surface can make water thanks to solar wind, NASA experiment confirms | Decades-old theory about lunar water finally proven


The breakthrough comes from researchers at NASA's Goddard Space Flight Center, who set out to replicate the harsh lunar environment in the most realistic laboratory simulation to...

Since the 1960s, a leading hypothesis has suggested that the Sun itself might be responsible, with its relentless stream of charged particles, known as the solar wind, interacting with the Moon's barren surface to create water molecules. The breakthrough comes from researchers at NASA's Goddard Space Flight Center, who set out to replicate the harsh lunar environment in the most realistic laboratory simulation to date. Using a spectrometer to measure how the dust reflected light, they detected a distinct dip in the infrared spectrum, specifically near three microns – the signature where water absorbs energy.

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