Saturn's Largest Moon Revealed

This artist's impression shows the 'light curve' produced by a star passing behind Titan, Saturn's biggest moon. <b>Source</b>: NASA

Titan emerges from behind Saturn, while Tethys streaks into view, in this colorful scene. Saturn's shadow darkens the far arm of the rings near the planet's limb. <b>Source</b>: NASA

Bright mid-latitude clouds near the bottom of this view hint at the ongoing cycling of methane on Titan. <b>Source</b>: NASA

Cassini spacecraft looks toward Titan and the large, equatorial bright region at center called Adiri. <b>Source</b>: NASA

Cassini's visual and infrared mapping spectrometer has imaged a huge cloud system covering the north pole of Titan. <b>Source</b>: NASA

Complex and unique canyon systems appear to have been intricately carved into older terrain by the ample flow of liquid methane rivers on Saturn's moon Titan. <b>Source</b>: NASA  

Four moons huddle near Saturn's multi-hued disk. <b>Source</b>: NASA

From the dark side of Titan, the Cassini spacecraft profiles the moon's atmosphere as sunlight filters through its upper hazes. <b>Source</b>: NASA

Sunlight scatters through Titan's atmosphere, illuminating high hazes and bathing the entire moon in a soft glow. <b>Source</b>: NASA

Swathed in its thick blanket of atmosphere, frigid Titan approaches the brilliant limb of Saturn.. <b>Source</b>: NASA

The Cassini spacecraft charts a quartet of dark albedo features on the moon Titan. From upper left to lower right of the image are Fenzal, Aztlan, Aaru and Senkyo. <b>Source</b>: NASA

The Cassini spacecraft looks at Saturn's largest moon, Titan, revealing its halo-like ring formed in the upper hazes of the moon's extensive atmosphere. <b>Source</b>: NASA

The Cassini spacecraft looks down on the north pole of Titan, showing night and day in the northern hemisphere of Saturn's largest moon. <b>Source</b>: NASA

The Cassini spacecraft looks through Titan's thick atmosphere to reveal bright and dark terrains on the Saturn-facing side of the planet's largest moon. <b>Source</b>: NASA

The Cassini spacecraft peers through the hazy atmosphere of Titan for a close view of light and dark terrain on Saturn's largest moon. <b>Source</b>: NASA

The Cassini spacecraft reveals Titan's upper-most atmospheric hazes, creating the appearance of a halo around Saturn's largest moon. <b>Source</b>: NASA

The orbits of Dione and Titan bring them together in one frame in this distant glimpse from the Cassini spacecraft. <b>Source</b>: NASA

This celestial circle of light is produced by the glow of sunlight scattered through the periphery of Titan's atmosphere. <b>Source</b>: NASA

This composite image, composed of two images taken with Cassini's visual and infrared mapping spectrometer, shows a crescent view of Saturn's moon Titan. <b>Source</b>: NASA

This image is a composite of several images taken during two separate Titan flybys. <b>Source</b>: NASA

This ultraviolet view of Titan shows the moon's north polar hood and its detached, high-altitude haze layer. <b>Source</b>: NASA