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'Mild-mannered scientists were crying'

Duration: 01:09

Long Term Planner on NASA’s Mars Curiosity mission, Sanjeev Gupta, recalls the moment the rover touched down on the Red Planet.

Available since: Thu 9 May 2013

This clip is from

The Life Scientific Sanjeev Gupta

What links the English Channel to valleys on Mars? Jim talks to geologist Sanjeev Gupta.

First broadcast: 14 May 2013

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