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Saturn’s Moon Titan Has Electrically-Charged, 'Sticky' Sand

"If you grabbed piles of grains and built a sand castle on Titan, it would perhaps stay together for weeks due to their electrostatic properties."

Titan, Saturn's largest moon, is one of the weirdest places in the solar system, and that's a competitive category. Veiled in a thick nitrogen-rich atmosphere, the moon is home to liquid methane oceans, mountain ranges that may contain massive cryovolcanoes, and the now-defunct Huygens lander, which Saturn's long-lived Cassini orbiter dropped off in 2005.

Given its reputation as a world of active and bizarre phenomena, it should come as no surprise that scientists now think Titan might also be covered with electric sands. According to new research published Monday in Nature Geoscience, tiny non-silicate particles on the moon's surface could become electrically charged by frictional energy generated by collisions with each other at wind speeds surpassing 15 miles per hour.

These electrified particles may maintain their charge for weeks or even months at a time, which would significantly impact the surrounding sand grains and hydrocarbon compounds. This process, known as triboelectrification, has also been observed on Earth, but Titan's low-gravity environment likely enhances the effect. Bound together by electrostatic chains, Titan's sands may be much more cohesive and resistant to being picked up and scattered by the moon's winds.

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