INFRARED IAPETUS. Temperature map of Iapetus, both color coded and in a gray scale image. The latter is equivalent to what the eye would see if it were sensitive to radiation at an infrared wavelength of 15 micrometers. Red indicates the warmest temperature, blue the coldest. The highest temperature, 130 kelvins at noon at the equator, occurs within the dark material that covers most of this view of the moon and which may be the warmest place in the Saturnian system.
Credit: JPL/GSFC/NASA
Found in: Planetary Science
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