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Doctor Who, Jon Culshaw and NASA on Mars

Mel Giedroyc meets the Doctor Who special effects department, Jon Culshaw looks at the stars, and NASA chief scientist Dr Ellen Stofan gives us the lowdown a trip to Mars.

1 hour

Last on

Tue 4 Nov 2014 16:00
91热爆 Radio 4 Extra

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  • Tue 4 Nov 2014 16:00
    91热爆 Radio 4 Extra