View Full Version : Discussion: A Bend in the Rings

2005-May-25, 06:00 PM
SUMMARY: This photograph of Saturn taken by Cassini shows its rings bending down just before they pass behind the planet. This is actually an optical effect caused by Saturn's atmosphere, which acts like a lens to refract the light. The image was obtained using Cassini's near-infrared filter which samples a wavelength that makes methane gas invisible, allowing the spacecraft to "see" through Saturn's atmosphere.

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