How the Universe Works S2E6: Comets - Frozen Wanderers
- Aired: 2012-08-15
- Time: 22:00:00
- Runtime: 60 minutes
Overview
Following the journey of a comet from its beginning as cosmic detritus floating around the outer limits of the solar system to the outgassing process as the comet approaches the sun. Watch the movement of a comet as it evolves from a chunk of ice and rock into an active nucleus engulfed in a gaseous haze.