saturn rings cassini

There’s way more to Saturn than its rings. The Cassini Division is a region 4,800 km (3,000 mi) in width between Saturn's A ring and B Ring. Cassini studied features in Saturn’s rings called “spokes,” which can be longer than the diameter of Earth. Cassini watched some of Saturn’s moons steal ring particles, and other moons contribute particles to the rings.Cassini found that much of the material for Saturn's E-ring—a diffuse ring outside the bright, main rings—comes from the moon Enceladus, which is venting icy particles and gas into space as it orbits Saturn. Cassini saw the A-ring, for example, cool down to minus 382 degrees Fahrenheit (minus 230 degrees Celsius).In addition, Cassini used the equinox to observe some known phenomena that are poorly understood. “We wanted to see if the rings were warped,” Spilker said. New measurements of the mass of Saturn's rings reveal their age — and something they have in common with dinosaurs.

No other planet in our solar system has rings as splendid as Saturn’s. The ring particles nearer Saturn move faster than the moonlet while those farther from Saturn move slower than the moonlet, and the interaction is gravitational, causing wake to form both behind and in front of the moonlet as it orbits.

Two important meetings of scientists took center stage for the Cassini team this month. The final Cassini Science Symposium, and other recent Cassini mission events.

This event, called an equinox, gives Saturn’s northern and southern hemispheres equal amounts of sunlight for a brief time. Cassini found that water jets from the moon Enceladus provide much of the material in Saturn’s E-ring, a diffuse ring outside of the bright, main rings. NASA's Cassini Reveals New Sculpting in Saturn Rings. Overview: Scientists had never before studied the size, temperature, composition and distribution of Saturn’s rings from Saturn orbit. Credit: NASA/JPL-Caltech/Space Science InstituteScientists have ideas about why Saturn has rings, but no one knows for sure.The small color differences in Saturn's rings have been enhanced in this picture from Voyager 2 data. That's the distance from the Earth to the Moon! New analysis of data from NASA's Cassini spacecraft finds auroras at Saturn's poles may keep its atmosphere warm. An image of Saturn taken by the Cassini spacecraft. Saturn's majestic rings then take over the show as Cassini crosses Saturn's thin ring plane. Credit: NASA/JPL-CaltechThe Cassini spacecraft arrived at Saturn in July 2004. New research from NASA’s Cassini spacecraft’s up-close Grand Finale orbits shows a surprisingly powerful and dynamic interaction of plasma waves moving from Saturn to its rings and its moon Enceladus. The spacecraft’s instruments first observed the formations in 2006. Director, NASA Planetary Science Division: )Scientists had some of Cassini’s greatest ring-related revelations after it had completed its four-year primary mission, when the spacecraft was at Saturn for a common celestial event. The particles that make up Saturn’s rings range in size from smaller than a grain of sand to as large as mountains. Cassini revealed in great detail the true wonders of Saturn, a giant world ruled by raging storms and delicate harmonies of … He secured his status as an astronomical collosus when he discovered Jupiter’s four largest moons in 1610. A massive oxygen buildup was seen by Cassini’s Ultraviolet Imaging Spectrograph (UVIS) instrument earlier this year, while the spacecraft was en route to Saturn, mission scientists said Friday.Saturn’s rings are composed, for the most part, of pure water ice, good ol’ H 2 O. A view of Saturn's rings, as seen by the Cassini spacecraft.

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