Ammonia May Lurk in the Ice of Saturn’s Moons, a Clue to Possible Oceans – Gizmodo Australia

Thirteen years ago, the Cassini-Huygens spacecraft was orbiting Saturn, not yet through its first mission, when a set of telescopes on board observed an unknown ultraviolet signal. The intriguing data was only recently inspected, though, and an international research team now suspects it may indicate the presence of hydrazine on Saturns second-largest moon, Rhea.
The effort, which includes scientists from the United Kingdom, Taiwan, India and the United States, used the spectral data provided by…

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