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Evidence of water on the lunar surface from Chang’E-5 in-situ spectra and returned samples

Author

Listed:
  • Jianjun Liu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Bin Liu

    (Chinese Academy of Sciences)

  • Xin Ren

    (Chinese Academy of Sciences)

  • Chunlai Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Rong Shu

    (Chinese Academy of Sciences)

  • Lin Guo

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Songzheng Yu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Qin Zhou

    (Chinese Academy of Sciences)

  • Dawei Liu

    (Chinese Academy of Sciences)

  • Xingguo Zeng

    (Chinese Academy of Sciences)

  • Xingye Gao

    (Chinese Academy of Sciences)

  • Guangliang Zhang

    (Chinese Academy of Sciences)

  • Wei Yan

    (Chinese Academy of Sciences)

  • Hongbo Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Lihui Jia

    (Chinese Academy of Sciences)

  • Shifeng Jin

    (Chinese Academy of Sciences)

  • Chunhua Xu

    (Chinese Academy of Sciences)

  • Xiangjin Deng

    (Beijing Institute of Spacecraft System Engineering)

  • Jianfeng Xie

    (Beijing Aerospace Control Center)

  • Jianfeng Yang

    (Chinese Academy of Sciences)

  • Changning Huang

    (China Academy of Space Technology)

  • Wei Zuo

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yan Su

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Weibin Wen

    (Chinese Academy of Sciences)

  • Ziyuan Ouyang

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

Abstract

The distribution range, time-varying characteristics, and sources of lunar water are still controversial. Here we show the Chang’E-5 in-situ spectral observations of lunar water under Earth’s magnetosphere shielding and relatively high temperatures. Our results show the hydroxyl contents of lunar soils in Chang’E-5 landing site are with a mean value of 28.5 ppm, which is on the weak end of lunar hydration features. This is consistent with the predictions from remote sensing and ground-based telescopic data. Laboratory analysis of the Chang’E-5 returned samples also provide critical clues to the possible sources of these hydroxyl contents. Much less agglutinate glass contents suggest a weak contribution of solar wind implantation. Besides, the apatite present in the samples can provide hydroxyl contents in the range of 0 to 179 ± 13 ppm, which shows compelling evidence that, the hydroxyl-containing apatite may be an important source for the excess hydroxyl observed at this young mare region.

Suggested Citation

  • Jianjun Liu & Bin Liu & Xin Ren & Chunlai Li & Rong Shu & Lin Guo & Songzheng Yu & Qin Zhou & Dawei Liu & Xingguo Zeng & Xingye Gao & Guangliang Zhang & Wei Yan & Hongbo Zhang & Lihui Jia & Shifeng Ji, 2022. "Evidence of water on the lunar surface from Chang’E-5 in-situ spectra and returned samples," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30807-5
    DOI: 10.1038/s41467-022-30807-5
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