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Facts about Titan
 
Titan, Saturn's largest moon
 
Titan is the largest moon of Saturn, the second largest in the Solar System (after Ganymede of Jupiter). It was discovered by Christiaan Huygens in 1655.
 
Titan's rotation period of about 16 days is synchronous to Saturn (meaning the same side always faces Saturn). It is the only moon in the Solar System known to have clouds and a thick, planet-like atmosphere.  
 
  
Distance from Saturn1 221 870 km
Distance from Sun1 427 000 000 km (9.54 AU)
Diameter (atmosphere)5550 km
Diameter (surface)5150 km
Mass1/45 that of Earth
Average density1.881 times liquid water
Surface temperature94K (-180 degrees C)
Atmospheric pressure at surface1500 mbar (1.5 times Earth's)
Atmospheric compositionNitrogen, methane, traces of ammonia, argon, ethane
Orbital period (Titanic day)15.95 Earth days
  
 
 
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 At Saturn and TitanViews on approach to Saturn
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NASA JPL Cassini-Huygens siteItalian Space Agency (ASI)Space Science InstituteCIS team
 
 
 
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