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Thermal fatigue as the origin of regolith on small asteroids

Author

Listed:
  • Marco Delbo

    (Laboratoire Lagrange, UNS-CNRS, Observatoire de la Côte d’Azur, Boulevard de l’Observatoire-CS 34229, 06304 Nice Cedex 4, France)

  • Guy Libourel

    (Université de Lorraine, CRPG-CNRS, 15 Rue Notre-Dame des Pauvres, BP 20, 54501 Vandoeuvre les Nancy, France
    Laboratoire Géoazur, UNS-CNRS, Observatoire de la Côte d’Azur, 250 rue Albert Einstein, Les Lucioles 1, Sophia-Antipolis, 06560 Valbonne, France)

  • Justin Wilkerson

    (Hopkins Extreme Materials Institute, Johns Hopkins University)

  • Naomi Murdoch

    (Laboratoire Lagrange, UNS-CNRS, Observatoire de la Côte d’Azur, Boulevard de l’Observatoire-CS 34229, 06304 Nice Cedex 4, France
    Institut Supérieur de l’Aéronautique et de l’Espace, 10 avenue Edouard-Belin, BP 54032, 31055 Toulouse Cedex 4, France)

  • Patrick Michel

    (Laboratoire Lagrange, UNS-CNRS, Observatoire de la Côte d’Azur, Boulevard de l’Observatoire-CS 34229, 06304 Nice Cedex 4, France)

  • K. T. Ramesh

    (Hopkins Extreme Materials Institute, Johns Hopkins University)

  • Clément Ganino

    (Laboratoire Géoazur, UNS-CNRS, Observatoire de la Côte d’Azur, 250 rue Albert Einstein, Les Lucioles 1, Sophia-Antipolis, 06560 Valbonne, France)

  • Chrystele Verati

    (Laboratoire Géoazur, UNS-CNRS, Observatoire de la Côte d’Azur, 250 rue Albert Einstein, Les Lucioles 1, Sophia-Antipolis, 06560 Valbonne, France)

  • Simone Marchi

    (Solar System Exploration Research Virtual Institute, Institute for the Science of Exploration Targets, Southwest Research Institute)

Abstract

Thermal fatigue resulting from diurnal temperature variations is shown to be the dominant means of rock fragmentation and, consequently, regolith formation on small asteroids.

Suggested Citation

  • Marco Delbo & Guy Libourel & Justin Wilkerson & Naomi Murdoch & Patrick Michel & K. T. Ramesh & Clément Ganino & Chrystele Verati & Simone Marchi, 2014. "Thermal fatigue as the origin of regolith on small asteroids," Nature, Nature, vol. 508(7495), pages 233-236, April.
  • Handle: RePEc:nat:nature:v:508:y:2014:i:7495:d:10.1038_nature13153
    DOI: 10.1038/nature13153
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    Cited by:

    1. A. Lucchetti & S. Cambioni & R. Nakano & O. S. Barnouin & M. Pajola & L. Penasa & F. Tusberti & K. T. Ramesh & E. Dotto & C. M. Ernst & R. T. Daly & E. Mazzotta Epifani & M. Hirabayashi & L. Parro & G, 2024. "Fast boulder fracturing by thermal fatigue detected on stony asteroids," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Colas Q. Robin & Alexia Duchene & Naomi Murdoch & Jean-Baptiste Vincent & Alice Lucchetti & Maurizio Pajola & Carolyn M. Ernst & R. Terik Daly & Olivier S. Barnouin & Sabina D. Raducan & Patrick Miche, 2024. "Mechanical properties of rubble pile asteroids (Dimorphos, Itokawa, Ryugu, and Bennu) through surface boulder morphological analysis," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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