Rainbow Saturn
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Cassini's Visual and Infrared Mapping Spectrometer
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false-color image of Saturn Saturn's Inner Light
This false-color image shows ring shadows running across the upper portion of Saturn, and sunlight illuminating the lower portion of the planet.

The upper area, in the ring shadow, would be black in visible light but glows red in infrared because Saturn is warm inside. This light shines out through the clouds, giving scientists a look at some of the planet's interesting atmospheric structure.

+ Full image and caption
  Jet Propulsion Laboratory
   California Institute of Technology