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Water and Stars

3 September 2010
Astronomy

At www.physorg.com/print202577650.html there is a report from ESA (the European Space Agency) that the Herschel infrared space observatory has discovered that ultraviolet starlight is a key ingredient for making water in the atmosphere of some stars. It is the only explanation, they continue, for why a dying star is surrounded by a gigantic cloud of hot water vapour (published in Nature September 2nd).

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