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Water Suspected as Enceladus Plume Driver

In an article published today in the journal Nature, scientists revealed that an analysis of spectra, taken by the Cassini spacecraft during a stellar occultation last October, was indicative of much higher water concentrations than previously suspected. Recall that spectral lines can tell scientists about the chemical composition of the gas between a source and the observer. With such a concentration as determined by this analysis, there may be a large pool of water beneath the surface of Enceladus, similar to what is suspected for Jupiter’s moon Europa. Read more about these findings online at http://www.nature.com/nature/journal/v456/n7221/abs/nature07542.html

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