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Summer clouds drift across Titan's north pole

Summer clouds drift across Titan's north pole

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NASA / JPL / SSI

Summer clouds drift across Titan's north pole
On July 21, 2014, Cassini spied a streak of methane clouds over the large methane sea known as Ligeia Mare. These are the first clouds Cassini scientists have spotted on Titan since a large storm in 2010. They planned to continue to watch to see if the clouds' appearance signals the beginning of summer weather patterns, or if it is an isolated occurrence.

Here is the same image, without annotations.

And an animation of the clouds in motion:

Clouds in motion over Titan's northern lakes

NASA / JPL / SSI

Clouds in motion over Titan's northern lakes
This animated sequence of Cassini images shows methane clouds moving above Ligeia Mare, a large methane sea on Saturn's moon Titan. Cassini captured the views between July 20 and July 22, 2014, as it departed Titan following a flyby. Cassini tracked the system of clouds as it developed and dissipated over Ligeia Mare during this two-day period. Measurements of the cloud motions indicate wind speeds of around 3 to 4.5 meters per second. The timing between exposures in the sequence varies. In particular, there is a 17.5-hour jump between the second and third frames. Most other frames are separated by one to two hours.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Original image data dated on or about July 21, 2014

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