Titania (moon)

From Academic Kids

Titania should not be confused with Titan, a moon of Saturn, or the asteroid 593 Titania.
Titania

Click image for description
Discovery
Discovered by W. Herschel
Discovered in January 11, 1787
Orbital characteristics
Mean radius 463,300 km
Eccentricity 0.0017
Orbital period 8.71 days
Inclination 0.08
Is a satellite of Uranus
Physical characteristics
Mean diameter 1577.8 km
Surface area 7,800,000 km2
Mass 3.526×1021kg
Mean density 1.71 g/cm3
Surface gravity 0.378 m/s2
Rotation period 8.71 days
Axial tilt  
Albedo 0.28
Surface temp.
min mean max
 ? K  ? K  ? K
Atmospheric pressure  

Titania (ti-taan'-ya) is the largest moon of Uranus. Titania was discovered on 1787-01-11 by William Herschel.

Contents

Name

The name "Titania" and the names of all four satellites of Uranus then known were suggested by Herschel's son John Herschel in 1852 at the request of William Lassell, who had discovered Ariel and Umbriel the year before ([1] (http://adsabs.harvard.edu//full/seri/AN.../0034//0000169.000.html)). Lassell had earlier endorsed Herschel's 1847 naming scheme for the seven then-known satellites of Saturn and had named his newly-discovered eighth satellite Hyperion in accordance with Herschel's naming scheme in 1848.

All of the moons of Uranus are named for characters from Shakespeare or Alexander Pope. Titania was named after Titania, the Queen of the Faeries in A Midsummer Night's Dream.

It is also designated Uranus III.

Physical characteristics

So far the only close-up images of Titania are from the Voyager 2 probe, which photographed the moon during its Uranus flyby in January, 1986. At the time of the flyby the southern hemisphere of the moon was pointed towards the Sun so only it was studied.

Titania is composed of roughly 50% water ice, 30% silicate rock, and 20% methane-related organic compounds. A major surface feature is a huge canyon that dwarfs the scale of the Grand Canyon on Earth and is in the same class as the Valles Marineris on Mars or Ithaca Chasma on Saturn's moon Tethys.

Scientists recognise the following geological features on Titania:

See also

Titania in fiction


Uranus' natural satellites

edit  (http://academickids.com/encyclopedia/index.php?title=Template:Uranus_Footer&action=edit)

Cordelia | Ophelia | Bianca | Cressida | Desdemona | Juliet | Portia | Rosalind | S/2003 U 2 | Belinda
S/1986 U 10 | Puck | S/2003 U 1 | Miranda | Ariel | Umbriel | Titania | Oberon | S/2001 U 3
Caliban | Stephano | Trinculo | Sycorax | S/2003 U 3 | Prospero | Setebos | S/2001 U 2
bg:Титания (спътник)

ca:Titnia (Satllit) de:Titania (Mond) es:Titania (luna) fr:Titania (lune) it:Titania (astronomia) nl:Titania (maan) ja:チタニア nn:Uranusmnen Titania sk:Titania (mesiac) sv:Titania zh:天卫三

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