
Next episode, "Mars Expedition", follows the Spirit and Opportunity rovers as...
The next episode explores the geological history of the Scablands, revealing the formation of massive gorges, dry waterfall beds, scattered boulders, and peculiar "potholes" caused by the sudden release of ancient lake waters 15,000 years ago when a natural ice dam burst.
Seasons: 52
Current Status: Returning Series
Network: PBS
Production Country: United States
Genres:Documentary