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Last updated on June 19, 2013 at 11:26 EDT
Titans Relative Size
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Titan's Relative Size

January 12, 2005
Terrestrial planets (shown in the top row) are compared with the Solar System¿s largest satellites. Titan is the second-largest satellite in the solar system. Only Jupiter¿s satellite Ganymede is larger in diameter. Titan is actually larger than the planet Mercury and is almost as large as Mars.