Southern Mars and its receding polar cap at the time of the spring equinox
in July 1999. Dust storms driven by differences in temperature appear just
above the cap (Mars Orbiter Camera image courtesy of NASA/JPL/Malin Space
Science Systems)
The list below contains links to many more stunning images of martian atmospheric and weather phenomena (with captions) from the Mars Global Surveyor Mars Orbiter Camera (MGS MOC), the Imager for Mars Pathfinder (IMP) and the Hubble Space Telescope:
