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Titan orbits Saturn at 20 Saturn radii or 1,200,000 km above Saturn's apparent surface. From Titan's surface, Saturn subtends an arc of 5.09 degrees, and if it were visible through the moon's thick atmosphere, it would appear 11.4 times larger in the sky, in diameter, than the Moon from Earth, which subtends 0.48° of arc.
Titan receives just about 1% of the amount of sunlight Earth does. [1] The average surface temperature is about 90.6 K (-182.55 °C, or -296.59 °F). [2] At this temperature water ice has an extremely low vapor pressure, so the atmosphere is nearly free of water vapor.
An image of Titan's surface from the Huygens lander. Titan is the only object in the outer Solar System where a spacecraft has landed and conducted surface operations. The geology of Titan encompasses the geological characteristics of Titan, the largest moon of Saturn. Titan's density of 1.881 g/cm 3 indicates that it is roughly 40–60% rock ...
This means that the surface temperature is reduced from the effective mean radiating temperature by 16%, which is a potentially significant cooling effect. [1] This is an ideal case and represents the maximum impact the anti-greenhouse effect can have and will not be the impact for a real planet or large moon.
Synthetic aperture radar image mosaic of Titan's north polar region. Vid Flumina is a river system (termed Flumen) of liquid methane and ethane on Saturn's moon Titan.It is more than 400 km (249 mi) long and flows into Titan's second largest hydrocarbon sea, Ligeia Mare. [1]
Huygens (/ ˈ h ɔɪ ɡ ən z / HOY-gənz) was an atmospheric entry robotic space probe that landed successfully on Saturn's moon Titan in 2005. Built and operated by the European Space Agency (ESA), launched by NASA, it was part of the Cassini–Huygens mission and became the first spacecraft to land on Titan and the farthest landing from Earth a spacecraft has ever made. [3]
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This is a list of named geological features on Saturn's moon Titan. Official names for these features have only been announced since the 2000s, as Titan's surface was virtually unknown before the arrival of the Cassini–Huygens probe. [1] [2] Some features were known by informal nicknames beforehand; these names are noted where appropriate ...