Emporius
Space Core
- Joined
- Aug 20, 2007
- Messages
- 3,553
- Reaction score
- 10
http://dsc.discovery.com/news/2008/03/04/mars-avalanche.html

The image, taken last month, reveals at least four avalanches of fine ice and dust breaking off from a steep cliff and settling on the slope below. The cascade kicked up massive debris clouds, with some measuring more than 590 feet across.