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Phases of Titan

Phases of Titan

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NASA / JPL / SSI / montage by Emily Lakdawalla

Phases of Titan
The angle from the Sun, to a moon, to the observer is called "phase angle." This montage shows Saturn's moon Titan as seen by Cassini through a clear filter at a variety of phase angles. At high phases, sunlight is forward-scattered through the atmosphere, making it brighten in a ring shape around the moon. The images have been resized to a constant pixel scale and rotated so that the terminator is up-and-down; the images sample a variety of latitudes and longitudes.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Emily Lakdawalla

Original image data dated on or about October 27, 2009

Explore related images: pretty pictures, Cassini, Titan, amateur image processing, Saturn's moons, explaining image processing

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