Prototype penetrator
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Penetrator could target Europa

European scientists are meeting in Paris to consider their best option for exploring Europa, the moon of Jupiter widely regarded as the most likely place beyond Earth to support microbial life.

One idea is the so-called penetrator - a missile-like system that would carry instruments to just below the world's icy surface. Dr Geraint Jones from University College London explained the concept to our correspondent Jonathan Amos.

  • 18 Apr 2016