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Article
Nature 284, 22 - 26 (06 March 1980); doi:10.1038/284022a0

Cometary collisions on the Moon and Mercury

Peter H. Schultz & Leonard J. Srnka*

Lunar and Planetary Institute, 3303 NASA Road 1, Houston, Texas 77058
*Permanent address: Exxon Production Research Co., Houston, Texas 77001.

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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