Huygens Lands on Titan
Delivered by Saturn-bound Cassini, ESA's Huygens probe landed on Titan 10 years ago (January 14, 2005). The images above are from a fisheye view and they were made as the probe made a slow decent (by parachute) through the dense atmosphere of Titan. Although it appears like Earth, the temperature is so cold here that the liquids flowing across the moon's surface are methane and ethane, hydrocarbons (not water). This landing was the most distant landing for a spacecraft from Earth. The images over the years from this probe have shown Titan to be filled with complex chemistry of organic compounds, dynamic landforms, lakes, seas, and a possible subsurface ocean of liquid water.
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