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Great Lake "Saturn's moon Enceladus hides the water

3 April 2014 at 22:58 clock Last updated BST

The detection of an ocean of water under the surface of Saturn's moons is overwhelming, scientists from NASA and the European Space Agency.

They say it is the possibility of finding microbial life in our solar system elsewhere.

The next step is to send a ship to deepen, as reported in the science correspondent Pallab Ghosh BBC.