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Mars' Oddest Cloud May Be Even Odder than Previously Thought

A new model says water vapor freezes directly into ice at high altitude, and adding that process finally reproduced the cloud’s 1,100-mile tail.

Summary by Phys.org
Scientists using the European Space Agency's Mars Express, in combination with a state-of-the-art meteorological model of the Red Planet, have found that there may be some exotic physics behind Mars' most curious cloud. The paper, "Homogeneous ice Nucleation from Water Vapour Suggested by Elongated Clouds on Mars," is published in Nature Geoscience.

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The IndependentThe Independent
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The Independent (US)The Independent (US)
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Mars’s strangest cloud is even weirder than we thought, scientists say

Martian surface has objects with ‘exotic physics’, researchers say

·London, United Kingdom
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Lean Left

A new work shows that the 1,800 km cloud that appears every spring next to a Martian volcano is formed without the need for particles, through a nucleation process that on Earth can only be reproduced in Hemeroteca laboratories - The sharpest image of the surface of the Sun approaches us like never before the prediction of solar storms In September 2018, Spanish researcher Jorge Hernández Bernal discovered a shadow in one of the images taken by …

·Madrid, Spain
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Mashable broke the news in New York, United States on Wednesday, October 7, 2026.
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