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Titania

Titania

Uranus III

   Titania ("ti TAY nee uh") is the fourteenth and largest of Uranus's known satellites: 
        orbit:    436,270 km from Uranus
        diameter: 1578 km
        mass:     3.49e21 kg
   Titania is the Queen of the Fairies and wife of Oberon in Shakespeare's Midsummer-Night's Dream.

   Discovered by Herschel in 1787.

   Titania and Ariel appear quite similar though Ariel is 25% smaller. All of Uranus' large moons are a mixture of about 40-50% water ice with the rest rock, a somewhat larger fraction of rock than Saturn's large moons such as Rhea.

   Titania's surface is a mixture of cratered terrain and systems of interconnected valleys hundreds of kilometers long. Some of the craters appear to be half-submerged. Titania's surface is clearly relatively young (though older than some such as Enceladus); obviously some sort of resurfacing processes have been at work.

   One theory of Titania's history is that it was once hot enough to be liquid. The surface probably cooled first; when the interior froze it expanded forcing the surface to crack and resulting in the valleys that we see today.

More about Titania

Open Issues

  • Why are Ariel and Titania different from Umbriel and Oberon?
  • Is the expansion-cracking theory right?
Contents ... Uranus ... Umbriel ... Titania ... Oberon ... Data


Copyright 1997 Eteläsuomen Rooli- ja Strategiapeliyhdistys ry.
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