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Mars’s Mysterious Elongated Cloud Hints at Exotic Atmospheric Physics

Scientists have uncovered evidence suggesting that Mars’s most visually striking cloud, the Arsia Mons Elongated Cloud (AMEC), might form through a rare and exotic atmospheric process previously thought to be theoretical.

Using data from the European Space Agency’s Mars Express orbiter and a sophisticated meteorological model, researchers found that the cloud’s formation likely involves water vapor freezing directly into ice crystals without the need for atmospheric particles, a phenomenon known as homogeneous nucleation.

DMCA