Comets, Planets and Space! - a podcast by Dr Chris Smith

Could a comet shield the earth from the sun? How do planets form around stars? Why are planets spherical? What's the temperature in space? We tackle these astronomical questions in this weeks show as well as reveal why there isn't a cure for the common cold, why 3D glasses make some of us feel dizzy and if volcanic ash can disrupt space travel. Plus, we investigate what the Hubble Telescope sees in space! Like this podcast? Please help us by supporting the Naked Scientists

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