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Cometary collisions on the Moon and Mercury


Unusual swirl patterns of bright and dark material on the Moon and Mercury are proposed to be remnants of collisions with gas/dust-rich regions within a cometary coma. This interpretation provides important new clues for understanding cometary fine structure, impact effects of low-density material, and the origin of certain pronounced magnetic anomalies.

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Schultz, P., Srnka, L. Cometary collisions on the Moon and Mercury. Nature 284, 22–26 (1980).

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