Map of Titan - October 2007
NASA/JPL/Space Science Institute · Download full size image
October 15, 2007
This global digital map of Titan was created using images taken by the Cassini spacecraft imaging science subsystem.
The images were taken using a filter centered at 938 nanometers, allowing researchers to examine albedo (or inherent brightness) variations across the surface of Titan. Due to the scattering of light by Titan's dense atmosphere, no topographic shading is visible in these images.
The map is an equidistant projection and has a scale of 4 kilometers (2.5 miles) per pixel. Actual resolution varies greatly across the map, with the best coverage (close to the map scale) near the center and edges of the map and the worst coverage on the trailing hemisphere (centered around 270 degrees west longitude).
Imaging coverage in the northern polar region is only just beginning to improve, and will continue to do so over the next couple of years, as Titan approaches vernal equinox in August 2009 and the north pole comes out of shadow. Large, dark and presumably liquid-hydrocarbon-filled seas are becoming visible at high latitudes (see also Exploring the Wetlands of Titan).
The mean radius of Titan used for projection of this map is 2,575 kilometers (1,600 miles). Until a control network is created for Titan, the moon is assumed to be spherical.
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 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 operations center is based at the Space Science Institute in Boulder, Colo. Posted on: 12 Nov, 2007
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