Solar Wind, Moondust and Mouldy Cheese

21 May 2009
Presented by Dave Ansell.

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How would astronauts cope in a solar wind?& Why did dry moon dust hold a footprint?& Why does wine age well but beer go off? And should you eat mould?& We find out in this week's Ask the Naked Scientists.& Plus, what happens if you exceed the speed of light, and what's going on at the centre of the Earth?

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