Scientists Just Solved the Mystery of the Moon’s Lopsided Dust Halo

10 Nov 2025 | Category: Science

A new study shows the Moon’s lopsided dust cloud is caused by daytime heat, as warmer soil ejects 6–8% more dust from meteor impacts than the cold night side.

For decades, scientists have known the Moon's faint dust halo sits unevenly around it — denser over the sunlit side than on the dark side. A new study suggests the culprit is the Moon's extreme day–night temperature swings. Using computer models, the...

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