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Showing 1–13 of 13 results
Advanced filters: Author: H. Jay Melosh Clear advanced filters

    • H. Jay Melosh
    Books & Arts
    Nature
    Volume: 368, P: 24

  • High-pressure minerals in meteorites reflect the conditions prevailing when they were excavated and launched from their parent bodies. Tissint—a recent Martian meteorite—contains an unusual number of large high-pressure minerals, suggesting excavation from an impact of larger magnitude than for previous Martian samples.

    • Ioannis P. Baziotis
    • Yang Liu
    • Lawrence A. Taylor
    Research
    Nature Communications
    Volume: 4, P: 1-7

  • Large impacts can create deep lying porosity far away from the crater. This result explains GRAIL’s findings and suggests impacts could support widespread fluid circulation, which has implications for habitable environments on early Earth and Mars.

    • Sean E. Wiggins
    • Brandon C. Johnson
    • Simone Marchi
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • Constraints on the cratering history of the Moon from the modelled production and removal of crustal porosity by impacts are inconsistent with an extended period of bombardment.

    • Ya Huei Huang
    • Jason M. Soderblom
    • H. Jay Melosh
    Research
    Nature Geoscience
    Volume: 15, P: 531-535

  • Observations from the Lunar Orbiter Laser Altimeter reveal the Moon’s Shackleton crater to be an ancient, unusually well-preserved simple crater whose interior walls are younger than its floor and rim; the relative brightness of the floor at 1,064 nanometres is most readily explained by minimal volatile accumulation since crater formation and decreased space weathering due to permanent shadow.

    • Maria T. Zuber
    • James W. Head
    • H. Jay Melosh
    Research
    Nature
    Volume: 486, P: 378-381

  • After a 30-year gap, all eyes are back on Mercury as the MESSENGER probe gives us our second glance at the Sun's nearest neighbour. Hints of intriguing results to come are already at hand.

    • H. Jay Melosh
    News & Views
    Nature
    Volume: 452, P: 820-821

  • The occurrence of longitudinal ridges on large landslide masses on planetary bodies is enabled by long runout distances, which have so far been attributed to the presence of ice. The authors here present a challenging model based on mechanical instabilities within the flow, suggesting that ice is not needed.

    • Giulia Magnarini
    • Thomas M. Mitchell
    • Harrison H. Schmitt
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • Catastrophic rock weakening upon impact of a meteorite, and hence flow, is shown to be followed by regained rock strength that enabled the formation of the peak ring during cratering.

    • Ulrich Riller
    • Michael H. Poelchau
    • Timothy J. Bralower
    Research
    Nature
    Volume: 562, P: 511-518

  • The Moon’s isotopic composition is uncannily similar to Earth’s. This may be the signature of a magma ocean on Earth at the time of the Moon-forming giant impact, according to numerical simulations.

    • H. Jay Melosh
    News & Views
    Nature Geoscience
    Volume: 12, P: 402-403