The Thin Blue Line Wonders of the Solar System : Season 1 Episode 3
TV-PG BBC Two 1h 00m
Aired: March 21st, 2010 @ 9:00 PM EST on BBC Two
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.
