NASA's David Blake from the Mars Science Laboratory (MSL) Curiosity rover team and the Open University's Cassini-Huygens space probe pioneer John Zarnecki answer your questions about planetary exploration. This special podcast is an addendum to the August 5th 2012 episode of the Naked Scientists Podcast and contains extra material not included in the published programme.
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Long time listener, first time questioner. Given the temperature extremes on the surface of Mars, what design features are used to keep the rover components from freezing? Regards from Sunny Queensland.
Hey, I was just wondering how much it had cost to pull this mission off, and if the cost can truly be justified? And what are we really gaining from this mission? Regards Aaron.
Will the Mars Curiosity Rover have the longevity of the Voyager I, which 34 years later, is still providing information?
How do astronomers work out how far planets are from Earth, and what sort of accuracy do they achieve?
Why have planets got most of the solar system's angular momentum?
Why do ships lose contact when they're entering the atmosphere?
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