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NOVA - Is There Life On Mars?

Seizoen: 35 - Aflevering: 18 / 774 - Eerst uitgezonden: 30 december 2008 - Episode ID: 198792

NASA's twin robot explorers, Spirit and Opportunity, have endured the worst Martian storm ever recorded and survived near-fatal glitches—yet continue to operate. Now they're joined on the Red Planet by NASA's Phoenix probe, which has already made significant discoveries of its own.