Saturn TOP STORY
Tracking the rotation speed of solid planets, like the Earth and Mars, is a relatively simple task: Just measure the time it takes for a surface feature to roll into view again.
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Saturn and its Rings
From afar, Saturn's rings look like a solid, homogenous disk of material. But upon closer examination from Cassini, we see that there are varied structures in the rings at almost every scale imaginable.
During 10 years of discovery, NASA's Cassini spacecraft has pulled back the smoggy veil that obscures the surface of Titan, Saturn's largest moon.
NASA's Jet Propulsion Laboratory (JPL) has released the following video on the 10th anniversary of the the Huygens probe landing on Saturn's moon Titan. Follow along as we zoom into Titan to see what this moon looks like. Huygens landed on Titan on January 14, 2005.
Scientists have used the National Science Foundation's Very Long Baseline Array (VLBA) radio-telescope system and NASA's Cassini spacecraft to measure the position of Saturn and its family of moons to within about a mile -- at a range of nearly a billion miles.
Titan, the largest moon of Saturn, could be the most alien world in our solar system.
Saturn's main rings, seen here on their "lit" face, appear much darker than normal. That's because they tend to scatter light back toward its source -- in this case, the Sun.
Saturn's largest moon, Titan, is one of the few solar system bodies and the only planetary moon known to have fields of wind-blown dunes on its surface. (The others are Venus, Earth and Mars.)
NASA's Cassini mission continues its adventures in extraterrestrial oceanography with new findings about the hydrocarbon seas on Saturn's moon Titan.
When Galileo first observed Venus displaying a crescent phase, he excitedly wrote to Kepler (in anagram) of Venus mimicking the moon-goddess. He would have been delirious with joy to see Saturn and Titan, seen in this image, doing the same thing.
Earth is the only planet in our Solar System to have a single solitary moon. While others, such as Mercury and Venus, have none, the gas giants have accumulated crowds of orbiting bodies -- Saturn, for example, boasts an impressive 62 moons!
As it soared past Saturn's large moon Titan recently, NASA's Cassini spacecraft caught a glimpse of bright sunlight reflecting off hydrocarbon seas.
NASA scientists have identified an unexpected high-altitude methane ice cloud on Saturn's moon Titan that is similar to exotic clouds found far above Earth's poles.
While studying the atmosphere on Saturn's moon Titan, scientists discovered intriguing zones of organic molecules unexpectedly shifted away from its north and south poles.
Using instruments aboard the Cassini spacecraft to measure the wobbles of Mimas Cornell University astronomer publishing in Science has inferred that this small moon's icy surface cloaks either a rugby ball-shaped rocky core or a sloshing sub-surface ocean.
Scientists analyzing data from NASA's Cassini mission have discovered that a giant, toxic cloud is hovering over the south pole of Saturn's largest moon, Titan, after the atmosphere there cooled dramatically.
NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a large hydrocarbon sea on Saturn's moon Titan.
Compared to the age of the solar system -- about four-and-a-half billion years -- a couple of decades are next to nothing.
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