Science & Medicine,
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Astronomy Cast brings you a weekly fact-based journey through the cosmos.
October 25th, 2010
Episode 236 of 478 episodes
Now we're going to answer a question that a 4-year old might ask - what is temperature? Why are things hot and why are they cold? How hot or cold can they get? And how is this all important for astronomy?
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Jog On is a podcast for anyone with an interest in running.
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