Watch: Video commemorates historic landing on Saturn's moon Titan

Eight years ago this week, a European mission went where no one, or probe, had gone before, Saturn's huge moon Titan, and a new video animation is recounting that historic landing by the Huygens spacecraft.

The European Space Agency's unmanned Huygens probe dropped onto the surface of Titan on Jan. 14, 2005, three weeks after separating from its parent Cassini spacecraft. The new animation, which was created by ESA using real Huygens data, captures the last portion of the lander's 2 1/2-hour descent through Titan's thick, nitrogen-based atmosphere.

The new Huygens landing video, which runs for 1 minute and 40 seconds, shows the touchdown from a variety of angles and ends with a real photo Huygens took of Titan's surface.

Though Huygens stopped sending data home to Earth 90 minutes after touching down, the landing continues to teach researchers about Titan.

An analysis of Huygens data published late last year, for example, determined that the 400-pound probe bounced, slid and wobbled to a stop 10 seconds after first contacting the moon. The study suggests that Titan's surface at the time had the consistency of soft, wet sand with a fragile crust on top, researchers said.

Titan is the largest moon of Saturn, and the second-largest moon in the entire solar system (only the Jupiter satellite Ganymede is bigger). With a diameter of 3,200 miles, Titan is nearly 50 percent wider than Earth's moon.

Titan is the only object in the solar system besides Earth known to host stable bodies of liquid on its surface. But Titan's lakes and seas contain methane and ethane rather than water, as the huge moon has a weather cycle based on hydrocarbons.

Complex carbon-containing molecules are known to swirl about in Titan's atmosphere, further intriguing scientists who regard the moon as one of the best places in the solar system to look for alien life.

The $3.2 billion Cassini-Huygens mission, a joint effort involving NASA, ESA and the Italian Space Agency, launched in 1997 and arrived at Saturn in 2004. While Huygens is now a feature of the Titan landscape, the Cassini spacecraft continues to study the ringed planet and its many moons. Its mission has been extended through at least 2017.

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