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Energetic neutral atom observations of magnetic anomalies on the lunar surface

Barabash, S.; Holmström, M.; Futaana, Y. +5 more

SARA, the Sub-KeV Atom Analyzer, on board Chandrayaan-1 recorded the first image of a minimagnetosphere above a lunar magnetic anomaly using energetic neutral atoms (ENAs). It was shown that this magnetosphere, which is located near the Gerasimovich crater, is able to reduce the solar wind ion flux impinging onto the lunar surface by more than 50%…