Enceladus Gives Up Its Secrets Of An Undergound Sea

Enceladus Gives Up Its Secrets Of An Undergound Sea

Inside Enceladus node full image.jpg


Enceladus is a beautiful moon orbiting Saturn and has long thought to harbour an underground ocean. In 2005 the Cassini probe spotted large plumes of warm salty liquid being jetted from near the South pole in a region to become known as the 'tiger’s stripes'. Analysis of data from more recent fly-bys by Cassini has revealed the possibilty of a large sea under 30-40 km of ice in the southern hemipshere on Enceladus. This was calculated by measuring the changes in Cassini’s speed caused by the changes in the moon’s gravity which is related to its internal structure. 


To read more:


http://www.esa.int/Our_Activities/Space_Science/Cassini-Huygens/Icy_moon_Enceladus_has_underground_sea


Image credit: NASA/JPL-Caltech

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