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Titan
Titan

Planet of Origin

Saturn

Discoverer

Christiaan Huygens

Date of Discovery

March 25, 1655

Surface Color

Grey

Alternate Names

Saturn VI

Titan, also known as Saturn VI, is the largest natural satellite of the outer planet, Saturn, and the second largest moon in the Solar System, just behind Ganymede, one of the Galilean moons belonging to the outer planet, Jupiter. This however is the only moon known in the Solar System to have a dense atmosphere and is even believed to have surface water, the only other body to have received this classification after our own Earth. Titan was discovered on March 25, 1655 by the Dutch astronomer Christiaan Huygens.

FormationEdit

Since Saturn is so close to the Asteroid belt, it is believed Titan was a stray carbonaceous, or C-type, asteroid, the most populous of the asteroids in the Asteroid belt. Since they were (and still are) so populous, it is believed that many of these asteroids collided and created friction, which generated heat that fused these asteroids together. Once the later-to-be-named Titan became large enough - in fact large enough to maintain hydrostatic equilibrium - it could not collect any more and was pushed into deep space through other impacts. It is not completely clear how it escaped Jupiter's strong gravitational pull, but it is believed to be due to the amount of perturbation caused by the existing moons causing the gravitational pull to be slowed and keeping Titan from staying with Jupiter and instead traveling to Saturn, where it was soon captured.

Surface FeaturesEdit

The surface of Titan can only be seen through high-tech radar telescopes, for it is completely covered by a dense, orange atmosphere. The surface of Titan is in many ways similar to Earth's, and in some places even Earth's moon. There have been reported sand dunes on Titan's surface, which are very similar to the likes of those seen on Earth - the lining of sand is, in comparison, similar to those of the Namib Desert. The Shangri-la of Titan, a long and extremely dark surface feature (referred to as a dark albedo feature), can be compared to the mares of Earth's moon. There are many faculae on the surface of Titan including the Shikoku Facula and the Sotra Facula.

AtmosphereEdit

The atmosphere of Titan is the only fully developed atmosphere of any moon in the Solar System, and is also the densest of any moon. The atmosphere's presence was first discovered by Spanish astronomer Josep Comas Solà in 1903. The atmosphere is composed of 98.4% nitrogen, which makes it ~1.2 times more massive than Earth's atmosphere. The rest of the atmosphere is composed of trace gases including ethane, propane, carbon dioxide, and argon.

CompositionEdit

The composition of Titan makes it more massive than any other moon belonging to Saturn (aka the Saturnian moons). The uppermost layer is the crust which is mostly covered in water-ice. There's an ocean located just beneath the ice. Oceans and lakes are found on the crust. Titan is so cold that the gas changes state and becomes a liquid. Under the crust is the upper mantal. It's unknown what is under the upper mantal.

At the south pole of Titan is a permanent hurricane that continues to expand today. It pushes matter into the atmosphere, making itself denser as it expands. Since clouds typically cover about 0.9% of Titan's surface, this hurricane is unique, for it covers quite a distance. Titan might have life, or it might not - but it does have rivers and rocks.

PicturesEdit

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