Mystery Feature Evolves in Titan’s Ligeia Mare

These images from the Radar instrument aboard NASA’s Cassini spacecraft show the evolution of a transient feature in the large hydrocarbon sea named Ligeia Mare on Saturn’s moon Titan. Analysis by Cassini scientists indicates that the bright features, informally known as the “magic island,” are a phenomenon that changes over time. They conclude that the brightening […]

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Saturn the Mighty

It is easy to forget just how large Saturn is, at around 10 times the diameter of Earth. And with a diameter of about 72,400 miles (116,500 kilometers), the planet simply dwarfs its retinue of moons. One of those satellites, Tethys (660 miles or 1,062 kilometers across), is seen here at lower right. This view […]

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35th Anniversary of the Voyager 1 Saturn Flyby

On November 12, 1980, 35 years ago, Voyager 1 became the second spacecraft to flyby Saturn. Its main objectives were to conduct close-up studies of Jupiter and Saturn, Saturn’s rings, and the larger moons of the two planets. Built to last 5 years, the spacecraft is in interstellar space today and still operating 38 years […]

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