The weekly astronomy podcast from the makers of BBC Sky at Night Magazine.
http://www.skyatnightmagazine.com
episode 13: The mission to map the Milky Way
We speak to Prof Gerry Gilmore, principal investigator for the UK participation in the Gaia mission to map 1.7 billion stars in our Galaxy. The team also discuss strange stars, the Stellarium online planetarium and noctilucent clouds.
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