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<p>JAXA’s Mars Moon eXploration (MMX) spacecraft carries a NASA-provided γ-ray and neutron spectrometer called MEGANE. MEGANE’s measurements will be used to characterize the elemental composition of Mars’ largest and innermost moon, Phobos, with the goal of providing data that directly tests existing hypotheses for the origin and evolution of the martian moons. We report results from the ground calibration of the MEGANE sensors. This information is required to accurately interpret the measurements collected by MEGANE during in-flight operations at Phobos.</p><p></p>

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Calibration of the MEGANE gamma-ray and neutron spectrometer for JAXA’s Mars Moon eXplorer (MMX) mission to Phobos

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月15日

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  • Patrick N. Peplowski,
  • Samuel Fix,
  • Morgan T. Burks,
  • John O. Goldsten,
  • David J. Lawrence,
  • Kathryn Marcotte,
  • Brian Schratz,
  • Zachary W. Yokley,
  • Sarah Bucior,
  • Erik Ramseth,
  • Jack T. Wilson

摘要

JAXA’s Mars Moon eXploration (MMX) spacecraft carries a NASA-provided γ-ray and neutron spectrometer called MEGANE. MEGANE’s measurements will be used to characterize the elemental composition of Mars’ largest and innermost moon, Phobos, with the goal of providing data that directly tests existing hypotheses for the origin and evolution of the martian moons. We report results from the ground calibration of the MEGANE sensors. This information is required to accurately interpret the measurements collected by MEGANE during in-flight operations at Phobos.