Mystery Feature Evolves on Titan

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Mystery Feature Evolves in Titan's Ligeia Mare

Images from the Radar instrument aboard NASA's Cassini spacecraft show the evolution of a transient feature in the large hydrocarbon sea named Ligeia Mare on Saturn's moon Titan.

Analysis by Cassini scientists indicates that the bright features, informally known as the "magic island," are a phenomenon that changes over time. They conclude that the brightening is due to either waves, solids at or beneath the surface or bubbles, with waves thought to be the most likely explanation. They think tides, sea level and seafloor changes are unlikely to be responsible for the brightening.

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Does hydrocarbon freeze at 94K? The structure has a kind of snowflakes structure but without symmetry.