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South Polar Cap Thermal Retreat (TES)

NASA's Mars Global Surveyor shows the seasonal change of the south polar ice cap on Mars over a four-month period mapped by color-coding the variation in 25-micron wavelength brightness temperatures.
PIA02057
Credits: NASA/JPL/ASU
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Description

The seasonal change of the south polar ice cap over a four-month period is mapped by color-coding the variation in 25-micron wavelength brightness temperatures.