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Titania


Titania
The largest moon of Uranus and the 17th in order from the planet. Titania was discovered on Jan. 11, 1787 by William Herschel. It is named for the Queen of the Faeries in Shakespeares's A Midsummer Night's Dream and is also known as Uranus III.

Titania's surface – a mixture of cratered terrain (including some craters that are partly submerged) and systems of interconnected valleys hundreds of kilometers long but with few impact basins – has clearly been reworked over the past few billion years. According to one theory, Titania was once hot enough to be liquid; the surface cooled and hardened, then the interior froze and expanded, cracking the surface and resulting in the valley systems seen today.


discovery 1787, by William Herschel
semimajor axis 435,910 km (270,920 miles)
diameter 1578 km (981 miles)
mean density 1.72 g/cm3
escape velocity 0.768 km/s (2,765 km/h, 1,718 mph)
orbital period 8.706 days (8 days 16 hr 57 min.)
axial period 8.706 days
orbital eccentricity 0.0011
orbital inclination 0.34°
visual albedo 0.27


Related entry

   • Uranus, moons


Related category

   • PLANETS AND MOONS


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