Solar Wind, Moondust and Mouldy Cheese

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'...

21 May 2009

Presented by Dave Ansell.

Astronaut.jpg

Astronaut Bruce McCandless II, mission specialist, participates in a extra-vehicular activity (EVA), a few meters away from the cabin of the shuttle Challenger. He is using a nitrogen-propelled hand-controlled manned manoeuvring unit (MMU). He is...

Credit:

NASA

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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?