The Wild Wetlands of Titan
 
The top swath is a radar image revealing several hundred kilometers of Titan’s polar regions, which are dominated by lakes and seas of methane and ethane. Below is a close-up on one of the river valleys. These wetlands are fed by rains of methane from Titan’s orange clouds.
July 28, 2007
Sender: Cassini
Location: Saturn
Released: 27.July.2007
Credit: NASA/JPL
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