Image of titan taken by the cassini probe 25 90

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Unformatted text preview: oon Callisto. Callisto's surface is uniformly cratered. Dates back to the heavy bombardment. Titan: A moon with atmosphere ‣ Saturn’s largest moon; 2nd largest in the solar system ‣ Only moon to have a thick, hazy atmosphere mostly of N2; also argon, methane, ethane ‣ 60% greater pressure at the surface than Earth’s -180ºC at the surface Image Credit: NASA/JPL/Space Science Institute ‣ Consists ‣ Cold! Image of Titan taken by the Cassini probe 25 90% nitrogen, the rest argon, methane, ethane, other hydrogen compounds. Methane & ethane are greenhouse gases. Still cold: 93 K (-180 degrees C) Titan's atmosphere extends 10 times further into space than Earth's. Erosion by liquid methane Credit: ESA/NASA/JPL/University of Arizona Credit: NASA/JPL/ESA/University of Arizona Titan’s Surface “Rocks” made of ices 26 Titan’s surface has rivers of liquid methane and ethane, and “rocks” made of ice. Left image shows the boundary between the lighter-colored uplifted terrain, marked with what appear to be drai...
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