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OBERON:
Oberon is the outermost moon of Uranus and the second largest. Its diameter is 1523 kilometer. It has craters of all sizes, some over 60 miles in diameter. In comparison to other moos, Oberon is rather evenly cratered. It is the twin of Titania-almost identical in size, density, color, and reflectivity.Here's an interesting fact, the names Oberon and Titania were chosen together because Oberon is the King of the Fairies and husband of Titania in Shakespeare's Midsummer-Night's Dream. Oberon and another moon, Umbriel, appear to be similar as well. Oberon is 35% larger. Oberon has many large faults. This is indicative of geologic activity in Oberon's past history. OPHELIA: PORTIA: PUCK: ROSALIND: TITANIA: UMBRIEL: |
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Titania is the fourteenth and largest of Uranus' moons. It is the twin moon of Oberon. It is named after the wife of a character, Oberon, in Shakespeare's, Midsummer Night's Dream. Its almost the same as Oberon in size, density, color, and even reflectivity. Titania's diameter is 1578 km long. The terrain of Titania is crisscrossed by cracks, ranging some 1,000 miles long, 30 miles across, and as much as 3 miles deep. It is about half rock and half ice. The surface temperature of the satellite is -315 degrees 
Umbriel is one of Uranus' more bland moons. It is the darkest of the moons and shows little variation in color. It has no craters with bright rays like Oberon. There are two bright features visible. One is on the slope of the central peak of a crater. The second is a ring that is 50 miles in diameter. Umbriel has a diameter of 740 miles and is smaller than Oberon and Titania. It can be that the dark regions are made of carbon-rich with colored ice. 
