Rover should 'target old rocks'
View at BBC NEWS
A French scientist believes Europe's next mission to Mars should target some of the oldest rocks on the planet if it wants to find evidence of past life.
Jean-Pierre Bibring has identified areas that were in contact with water just after the planet's formation.
In one such region, known as Marwth Vallis, conditions could have been stable long enough for life to start.
Prof Bibring is pushing for Europe's ExoMars rover, an 580m-euro robotic vehicle, to be sent there in 2011.
A French scientist believes Europe's next mission to Mars should target some of the oldest rocks on the planet if it wants to find evidence of past life.
Jean-Pierre Bibring has identified areas that were in contact with water just after the planet's formation.
In one such region, known as Marwth Vallis, conditions could have been stable long enough for life to start.
Prof Bibring is pushing for Europe's ExoMars rover, an 580m-euro robotic vehicle, to be sent there in 2011.
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