(or Saturn VI) is the largest moon of Saturn. It is the only natural satellite in the Sol System known to have a dense atmosphere.

Titan is the sixth ellipsoidal moon from Saturn. Frequently described as a planet-like moon, Titan has a diameter roughly 50% larger than Earth's moon and is 80% more massive. It is the second-largest moon in the Solar System, after Jupiter's moon Ganymede, and it is larger by volume than the smallest planet, Mercury, although only about 41% as massive. Titan was the first known moon of Saturn, discovered in 1655 by the Dutch astronomer Christiaan Huygens, and was the fifth moon of a planet apart from the Earth to be discovered.

Titan is primarily composed of water ice and rocky material. Much as with Venus prior to the Space Age, the dense, opaque atmosphere prevented understanding of Titan's surface until new information accumulated with the arrival of the Cassini–Huygens mission in 2004, including the discovery of liquid hydrocarbon lakes in the satellite's polar regions. The surface is geologically young; although mountains and several possible cryovolcanoes have been discovered, it is smooth and few impact craters have been found.

The atmosphere of Titan is largely composed of nitrogen; minor components lead to the formation of methane and ethane clouds and nitrogen-rich organic smog. The climate—including wind and rain—creates surface features similar to those of Earth, such as dunes, rivers, lakes and seas of liquid methane and ethane, and deltas, and is dominated by seasonal weather patterns as on Earth. With its liquids (both surface and subsurface) and robust nitrogen atmosphere, Titan's methane cycle is viewed as an analog to Earth's water cycle, although at a much lower temperature.

Titan was among the very first objects visited after the Ascent. United Earth Captain Osama Mahmmoud was the first human to set foot on Titan in 2101.

The discovery of lichen and algae on Titan did not have the same impact due to the fact that Sarans opened the Human eyes to a Universe of life.

Today there are several Cities on Titan : Huygens City and Mahmmoud City.

Titan is a rich and vibrant world with diversified industry and about 2 Billion Inhabitants.

Titan is independently represented at the Assemby as Union World but it is also member of the Sol Association and Sol Defense groups.

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