Evidence of a 4.33 billion year age for the Moon's South | ResearchBunny

Index

Abstract

Determining the age of the Moon's South Pole-Aitken (SPA) basin is crucial for understanding early Solar System bombardment. Analysis of the lunar meteorite Northwest Africa 2995, consistent with SPA basin lithologies, reveals a formation age of ~4.32–4.33 billion years old. This predates the main lunar basin-forming period by ~120 million years, challenging existing models of lunar bombardment and implying that earlier basins were erased by the SPA impact or other geological processes.

Publisher

Nature Astronomy

Published On

Oct 16, 2024

Authors

K. H. Joy, N. Wang, J. F. Snape, A. Goodwin, J. F. Pernet-Fisher, M. J. Whitehouse, Y. Liu, Y. T. Lin, J. R. Darling, P. Tar, R. Tartèse

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