UMBRIEL'S SURFACE IS HEAVILY CRATERED and is the darkest of the major Uranian moons.
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Umbriel |
Composed mostly of water ice, it is thought that the moon features a distinct rocky core that totals about 40% of its mass. The interior of the moon is not likely to be warm enough to support sub-screen ocean.
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Physical Characteristics of Umbriel |
Umbriel's most prominent feature is Wunda crater, an impact crater with a diameter of 13 km/ 81m, that features a bright ring of material on its floor, believed to be residue of the object that collided with the moon.
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Wunda Crater |
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