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Sometimes a trilogy needs four parts! The Astronomy Cast team of Fraser Cain and Pamela Gay have taken a look at the history and modern era of space stations, as well as peering into the future at some space station concepts still in the works. You can listen to this four-part series at the Astronomy Cast website, or at the links below:
Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.
And the podcast is also available as a video, as Fraser and Pamela now record Astronomy Cast as part of a Google+ Hangout. You can see their latest Hangouts at the Astronomy Cast YouTube page. They record most Mondays at 18:00 UTC (3:00 PM EDT, 12:00 PDT) at Google+.