CRISM Observations of the seasonal recession of the Martian southern polar cap


Wednesday, January 23 2008 - 12:00 pm, PST
Adrian Brown
SETI Institute

In this, the International Polar Year 2007-2008, it is a satisfying time to consider our understanding of Extraterrestrial Polar environments. On Mars, they're celebrating summertime in the austral hemisphere, and have just gone through a big defrosting known as the 'spring recession'. Luckily, we humans had an emissary there to catch all the action. [New Paragraph] Dr. Adrian Brown reports on the latest results back from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) and explains how the unanticipated discovery by CRISM of small ephemeral water ice deposits, common in winter areas on Earth, are of vital interest to Mars polar science.

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