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A primordial origin for the compositional similarity between the Earth and the Moon

Author

Listed:
  • Alessandra Mastrobuono-Battisti

    (Technion, Israel Institute of Technology)

  • Hagai B. Perets

    (Technion, Israel Institute of Technology)

  • Sean N. Raymond

    (CNRS, Laboratoire d’Astrophysique de Bordeaux, UMR 5804, F-33270 Floirac, France
    Université Bordeaux, Laboratoire d’Astrophysique de Bordeaux, UMR 5804, F-33270 Floirac, France)

Abstract

The Moon is thought to have formed mainly from a giant impactor striking the Earth but it has seemed odd that the Earth and its impactor (and hence the Moon) had such similar compositions; here simulations of planetary accretion show that although the different planets have distinct compositions, the composition of each giant impactor is indeed often very similar to that of the planet it strikes.

Suggested Citation

  • Alessandra Mastrobuono-Battisti & Hagai B. Perets & Sean N. Raymond, 2015. "A primordial origin for the compositional similarity between the Earth and the Moon," Nature, Nature, vol. 520(7546), pages 212-215, April.
    • Handle: RePEc:nat:nature:v:520:y:2015:i:7546:d:10.1038_nature14333
    DOI: 10.1038/nature14333
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