If you've got some time today, we're recording Astronomy Cast live. :-)
It's time for another live episode of Astronomy Cast, hosted by +Fraser Cain and +Pamela Gay. Join us as we record Episode 288 live, and then stick around to get your questions answered by the hosts and other special guests.

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Episode 288 - Phases of Matter
As we quickly learn with water, matter can be in distinct phases: solid, liquid, gas and plasma; it all depends on temperature. But why do different materials require different temperatures? And what's actually happening to the atoms themselves as the material switches phases? 

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