Wonders of the Solar System
Season 1 • Episode 3: The Thin Blue Line • Watch with subtitles
Episode 3: The Thin Blue Line
March 21, 2010 • 59 min
Brian reveals how something as flimsy as an atmosphere can create some of the most wondrous sights in the solar system. He takes a ride to the top of earth's atmosphere, and in the Namib desert, he tells how Mercury lost its atmosphere.
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