coolthingoftheday:Titan, also known as the mermaid moon, is the largest satellite of Jupiter. It i
coolthingoftheday: Titan, also known as the mermaid moon, is the largest satellite of Jupiter. It is the only known moon in our solar system that has a dense atmosphere, and the only object other than Earth where evidence of surface liquid has been found; however, the liquid on Titan is made of methane, not water. -- source link
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