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.
| Title | The Thin Blue Line |
|---|---|
| Genres | Documentary |
| Release Date | 2010-03-21 |
| Episode Runtime | 01 Hours 00 Minutes |
| Season Number | 1 |
| Episode Number | 3 |
| Production Companies | Science Channel, BBC |
