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Is the Earth's Oxygen Responsible for Rust Found on the Moon?

Lunar haematite is formed through oxidation of lunar surface iron by the oxygen from the Earth’s upper atmosphere.

The researchers have also studied the locations where they found the presence of haematite. They believe it to be related to the water content at high latitude. This oxygen “has been continuously blown to the lunar surface by the solar wind when the moon is in Earth’s magnetotail during the past several billion years.”