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False Colour Image of Titan.


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Titan in ultraviolet.
Titan in ultraviolet and Infrared wavelengths.

This image of Titan was taken yesterday during Cassini's 1,200 km (750 mile) flyby past its surface. It's actually a false colour image of the moon, built by merging together four images taken in different wavelengths of light. The red and green colours show areas revealed in Infrared light, and the blue is ultraviolet wavelengths. Full colour visible light images are still in processing, and should be released later this week.

This image shows Titan in ultraviolet and Infrared wavelengths. It was taken by Cassini's imaging science subsystem on Oct. 26, 2004, and is constructed from four images acquired through different color filters. Red and green colors represent Infrared wavelengths and show areas where atmospheric methane absorbs light. These colors reveal a brighter (redder) northern hemisphere. Blue represents ultraviolet wavelengths and shows the high atmosphere and detached hazes.

Titan has a gigantic atmosphere, extending hundreds of kilometers above the surface. The sharp variations in brightness on Titan's surface (and clouds near the south pole) are apparent at Infrared wavelengths. The image scale of this picture is 6.4 kilometers (4 miles) per pixel.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo.

For the latest news about the Cassini-Huygens mission, visit http://www.nasa.gov/cassini. For more information about the mission, visit http://saturn.jpl.nasa.gov and the Cassini imaging team home page, http://ciclops.org.




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