Mimas News

Cassini Views Mimas’ Mountain

January 10, 2017

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New Cassini Image of Mimas' Mountain

This newly released Cassini image shows Herschel Crater on Saturn’s Moon Mimas, revealing an indication of the size of the crater’s towering walls and central peak. Named after the icy moon’s discoverer, astronomer William Herschel, the crater stretches 86 miles (139 kilometers) wide — almost one-third of the diameter of Mimas (246 miles or 396 […]

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New Cassini Image Shows a Tiny Mimas, Huge Saturn Rings

November 28, 2016

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Cassini Sees Tiny Mimas Huge Rings

In this new image from the Cassini Spacecraft, Saturn’s icy moon Mimas is dwarfed by the planet’s enormous rings. Because Mimas (near lower left) appears tiny by comparison, it might seem that the rings would be far more massive, but this is not the case. Scientists think the rings are no more than a few […]

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Long Divisions – New Cassini Image of Saturn and Mimas

August 8, 2016

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New Cassini Image of Saturn with Mimas

This newly released image form the Cassini Spacecraft shows Saturn and Mimas. The shadow of Saturn on the rings, which stretched across all of the rings earlier in Cassini’s mission, now barely makes it past the Cassini division. The changing length of the shadow marks the passing of the seasons on Saturn. As the planet […]

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New Cassini Image of Saturn’s Moons Janus and Mimas

May 31, 2016

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New Cassini Image of Janus and Mimas

A newly released image of Saturn’s moons Janus and Mimas from the Cassini Spacecraft. Saturn’s moons Janus and Mimas coast in their silent orbits beyond the rings in this view from NASA’s Cassini spacecraft. The ansa, or outer edge of the rings, is visible at left. Janus hangs above center, while Mimas shines at right. […]

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Three Times the Fun: New Cassini Image of Tethys, Enceladus and Mimas

February 22, 2016

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New Cassini Image of Tethys, Enceladus and Mimas

This newly released Cassini image shows Saturn’s moons Tethys, Enceladus and Mimas. Three of Saturn’s moons — Tethys, Enceladus and Mimas — are captured in this group photo from NASA’s Cassini spacecraft. Tethys (660 miles or 1,062 kilometers across) appears above the rings, while Enceladus (313 miles or 504 kilometers across) sits just below center. […]

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New Cassini Image of Saturn’s Moons Mimas and Pandora

October 13, 2015

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Cassini Views Saturn's Moons Mimas and Pandora

This NASA image of the day shows Saturn’s moons Mimas and Pandora. Although Mimas and Pandora, shown here, both orbit Saturn, they are very different moons. Pandora, “small” by moon standards (50 miles or 81 kilometers across) is elongated and irregular in shape. Mimas (246 miles or 396 kilometers across), a “medium-sized” moon, formed into […]

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Cassini Views “The Great Eye” of Saturn’s Moon Mimas

May 4, 2015

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Cassini Views Saturn's Moon Mimas

Taken by NASA’s Cassini spacecraft, this image reveals the 130-kilometer-wide impact crater on Saturn’s moon Mimas. The great eye of Saturn’s moon Mimas, a 130-kilometer-wide (80-mile) impact crater called Herschel, stares out from the battered moon. Several individual ringlets within the F ring are resolved here, and the small moon Atlas is also seen faintly […]

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Saturn’s Moon Mimas May Have a Liquid Water Ocean Beneath the Surface

October 17, 2014

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Saturn Moon Mimas May Have a Fossil Core or an Ocean

New data from NASA’s Cassini Spacecraft reveal that Saturn’s moon Mimas may have a liquid water ocean beneath the moon’s impact-battered surface. A new study focused on the interior of Saturn’s icy moon Mimas suggests its cratered surface hides one of two intriguing possibilities: Either the moon’s frozen core is shaped something like a football, […]

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Crescent Mimas – Cassini Views Saturn’s Moon Mimas

September 15, 2014

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Cassini Image of Saturns Moon Mimas

This Cassini spacecraft image shows a thin sliver of Saturn’s moon Mimas. A thin sliver of Mimas is illuminated, the long shadows showing off its many craters, indicators of the moon’s violent history. The most famous evidence of a collision on Mimas (246 miles, or 396 kilometers across) is the crater Herschel that gives Mimas […]

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Dot Against the Dark – New Image of Saturn’s Moon Mimas

September 3, 2014

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New Image of Saturns Moon Mimas

This newly released image from the Cassini spacecraft shows Saturn’s moon Mimas. As if trying to get our attention, Mimas is positioned against the shadow of Saturn’s rings, bright on dark. As we near summer in Saturn’s northern hemisphere, the rings cast ever larger shadows on the planet. With a reflectivity of about 96 percent, […]

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