Comets, Planets and Space!

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...
30 April 2010
Presented by Dave Ansell, Sue Marchant

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Comet Holmes

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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!

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