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Emily LakdawallaOctober 18, 2009

Fun for Sunday: Titan and Tethys pas de deux

Checking in on Cassini's raw images this weekend, there are several nice shots to play with, including the many frames from which I tossed together this cute animation. Saturn's icy moons are so bright and crisp, Titan always appears like a fuzzy dark blob next to them. I like how you can see just a little bit of Tethys rotation over the course of this animation.

Tethys and Titan mutual event

NASA / JPL-Caltech / SSI / animation by Emily Lakdawalla

Tethys and Titan mutual event
Cassini watched icy Tethys pass in front of dimmer, fuzzy Titan on October 17, 2009.

I can't decide which is cooler; the animation above, or a still taken from it. Here's a version of a still by Gordan Ugarkovic, artificially colorized. The original animation didn't contain any frames shot through color filters, but all he had to do was to paint Titan with a smoggy orange color.

Tethys and Titan

NASA / JPL / SSI / colorization by Gordan Ugarkovic

Tethys and Titan
Cassini captured a grayscale animation of Tethys crossing in front of Titan on October 17, 2009. In this version, Gordan Ugarkovic has colored in Titan based on its color as seen in previous Cassini photos.

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Read more: pretty pictures, Tethys, Cassini, Titan, amateur image processing, Saturn's moons, many worlds, animation

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Emily Lakdawalla

Senior Editor and Planetary Evangelist for The Planetary Society
Read more articles by Emily Lakdawalla

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