Titan

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Titan
Titan is the largest moon of Saturn. It is the only natural satellite known to have a dense atmosphere, and the only object other than Earth where clear evidence of stable bodies of surface liquid has been found. Titan is the sixth ellipsoidal moon from Saturn. Frequently described as a planet-like moon, Titan's diameter is 50% larger than Earth's natural satellite, the Moon, and it is 80% more massive. It is the second-largest moon in the Solar System, after Jupiter's moon Ganymede, and is larger than the smallest planet, Mercury, although only 40% as massive. Titan is primarily composed of water ice and rocky material. The atmosphere of Titan is largely 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, seas (probably of liquid methane and ethane), and deltas, and is dominated by seasonal weather patterns as on Earth. With its liquids and robust nitrogen atmosphere, Titan's methane cycle is analogous to Earth's water cycle, although at the much lower temperature of about 94 K (−179.2 °C). Titan (moon) - Wikipedia, the free encyclopedia
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Short Description Titan is the largest moon of Saturn. It is the only natural satellite known to have a dense atmosphere, and the only object other than Earth where clear evidence of stable bodies of surface liquid has been found. Titan is the sixth ellipsoidal moon from Saturn. Frequently described as a planet-like moon, Titan's diameter is 50% larger than Earth's natural satellite, the Moon, and it is 80% more massive. It is the second-largest moon in the Solar System, after Jupiter's moon Ganymede, and is larger than the smallest planet, Mercury, although only 40% as massive. Titan is primarily composed of water ice and rocky material. The atmosphere of Titan is largely 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, seas (probably of liquid methane and ethane), and deltas, and is dominated by seasonal weather patterns as on Earth. With its liquids and robust nitrogen atmosphere, Titan's methane cycle is analogous to Earth's water cycle, although at the much lower temperature of about 94 K (−179.2 °C). Titan (moon) - Wikipedia, the free encyclopedia
Discovered by Christiaan Huygens
Discovery date March 25, 1655
Type Moon
AddInfo Saturn VI
Satellite of Saturn
Orbit Prograde
Rotation Synchronous
Atmosphere Stable
Shape Equilibrium spheroid
Geological activity Is active
Apoapsis 07 1 257 060 km
Periapsis 07 1 186 680 km
Semi-major axis 07 1 221 870 km
Distance from Sun 01 9.554 909 au /22
Eccentricity 0.028 8
Orbital period 15.945 days
Orbital speed 01 5.57 km/s
Mean anomaly 163.308°
Inclination to the equator 000.34854°
Longitude of the ascending node 028.758°
Argument of periapsis 179.920°
Diameter/Size 04 5 150 km | 0.404 Earths | 1.480 Moons
Mass 1023×1.345 2 kg | 0.0225 Earths | 1.829 Moons
Density 01 1.8798 g/cm3
Surface gravity 01 1.352 m/s2 | 0.14 g | 0.85 Moons
Escape velocity 04 2 639 m/s | 1.11 Moons
Rotation period 15.945 days
Axial tilt
Albedo geometric 0.22
Temperature mean 02 93.7 K | −179.5 °C
Absolute magnitude 8.2 to 9.0
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