Few days ago, scientists announced that they have discovered water reserve in one of Saturn's moons. Enceladus is just 300 miles in diameter and 5th largest moon of Saturn.
NASA's Cassini spacecraft, with close flybys captured the geysers and its locations. Not only just water, it also detects carbon based organic molecules - which can be a building blocks for life as we know it.
With some clever techniques scientists detected that gravity in the south pole is weaker than that of north pole. Weaker gravity means less mass, but scientists finds that south pole is little bit massive than the depression alone would predict. This means there must be different structures beneath the icy surface of Enceladus.
So scientists believe that there must be liquid water at the depth of 30-40 km in the southern hemisphere - the size of Lake Superior.
Many scientists hope that Enceladus is the best place for now to look for life in solar system, because the the water contains organic carbon, nitrogen and also a heat source and inorganic salts.
Maybe in the future we might send a mission to Enceladus and study it closely to reveal more information about the origin of life in our solar system.
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