What are the ingredients for life beyond Earth?

NASA believes that one of Saturn's moons, Enceladus is known, is now the single best place to search for life beyond Earth.

The discovery would be made by the Cassini spacecraft of NASA, which flew close enough to examine the icy moon.

Maggie Aderin-Pocock, an astrophysicist and researcher at University College London, Radio 4 said today , the moon has "to pass three key ingredients for life," we need to know if it is really the case.

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