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Who Discovered andWhen?

Who: The Ancients

When: Unknown

Christiaan Huygens

Discovered Saturns rings and its moon Titan

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Origin of Name

It was named after the Roman god ofAgriculture

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Size: Diameter and Mass

Diameter is 120,536 kilometers

Mass is 5.68461026 kg

Volume is 8.27131014 km3

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Density

0.687 g/cm3

Least dense planet

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Internal Composition

Known as a gas planet although not comprisedentirely of gas

Made up mostly of hydrogen

Small rocky inner core, surrounded by thick liquidmetallic hydrogen

Has a very hot interior (11,700C)

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Internal Layering (if present)

Core (Icy Rocky)

Liquid Metallic Hydrogen

Liquid Molecular Hydrogen

Layered Atmosphere

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Internal Layers

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Atmosphere Composition

96.3% molecular hydrogen

3.25% helium

Other 0.45% is made up of ammonia, acetylene,

ethane, propane, phosphine, and methane

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Magnetic Field

Has an intrinsic magnetic field

Symmetric shape (dipole)

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Rate of Rotation & Revolution

Rotation period of 10 h 39 min 24 s

Revolution period of 29.5 Earth years

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Evidence of Water/Fluids on Surface

No evidence on surface of Saturn

Evidence of liquid ethane and methane on Titan(Saturns Moon)

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Space Missions

Pioneer 11 flew by Saturn in 1979

Voyager 1 visited Saturn in 1980 and flew close toTitan

Voyager 2 flew by in 1981

Cassini entered orbit in 2004 and has been theresince then

It deployed the Huygens probe that landed on Titan

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Evidence of Life

In 2010, Scientists discovered that there are alienlife forms that exist on Saturns Moon Titan

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Evidence of Plate Tectonics

No evidence found on Saturn

Evidence of Plate Tectonics found on SaturnsMoon Titan

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Titan (Moon)

Largest of 62 moons of Saturn

2nd Largest moon in our galaxy

Orbits Saturn every 15.945 days

Composed of water ice and

rocky material

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Saturns Rings

Saturn has 8 rings

6,630 km to 120,700 km above Saturn's equator

Average 20 meters in thickness

Composed of 93% water ice with traces of tholinimpurities and 7% amorphous carbon

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Rings

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References

"Pound 360: Saturn Moon Shows Strong Signs of Plate Tectonics."Pound 360: Saturn Moon Shows Strong Signs of Plate Tectonics. N.p.,n.d. Web. 25 Feb. 2013.

"Saturn." Wikipedia. Wikimedia Foundation, 25 Feb. 2013. Web. 25Feb. 2013.

"Solar System Exploration: Planets: Saturn: Overview." Solar SystemExploration: Planets: Saturn: Overview. N.p., n.d. Web. 25 Feb. 2013.

"Titan (moon)." Wikipedia. Wikimedia Foundation, 25 Feb. 2013. Web.25 Feb. 2013.

Hough, Andrew. "Titan: Nasa Scientists Discover Evidence 'that AlienLife Exists on Saturn's Moon'" N.p., 05 June 2010. Web. 25 Feb. 2013.