Animation: Seasonal Variations of Snow Depth on Mars

Animation showing the seasonal deposition of CO₂ as measured by the Mars Orbiter Laser Altimeter on the Mars Global Surveyor spacecraft. The amplitude of the elevation change signal is greatly exaggerated for illustrative purposes.

Credit: MOLA Science Team and G. Shirah, NASA/GSFC Scientific Visualization Studio

http://ltpwww.gsfc.nasa.gov/tharsis/snow_paper.html