Saturn’s moon Titan has riverine valleys like Earth…

titan_s-weather-forecast-rainSaturn’s moon Titan has riverine valleys like Earth, except they are formed by flowing liquid methane. Of course, it also rains methane, but the drops are twice as large as rain on earth and fall at a fifth of the speed.
It also has volcanoes that spew a “magma” that is water and ammonia, and at -100C has the same viscosity as molten rock.
Also, the atmosphere is so thick, and the gravity so weak, if you were to strap wings to your arms like Daedalus you could fly.

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