This preview shows page 1. Sign up to view the full content.
Unformatted text preview: temperature even more. Along with its weak magnetic field and high co2 levels it had a large Hadley cell circulation meaning the hot air reaches the poles and keeps the planet at a temperature of 735 kelvin. 2. What is the evidence that water once flowed on Mars? On the surface of mars there are seasonal and permanent ice caps located on the north and south poles that have formed showing that there are small traces of water on the planet. Along with the polar caps there are forms that show water erosion on the planet such as runoff channels, outflow channels and gullies which are similar to the drainage systems found on earth. There are also large canyons that appeared to have been carved out by flowing water. The reason they believe this is because they are very similar to the grand canyon, except much larger....
View Full Document
This note was uploaded on 04/04/2012 for the course ASTRO 138 taught by Professor Nicholascerrutti during the Spring '11 term at Washington State University .
- Spring '11