Lunar Radar Sounder Observations of Subsurface Layers Under the Nearside Maria of the Moon

DOI Web Site 被引用文献17件
  • Takayuki Ono
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Atsushi Kumamoto
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Hiromu Nakagawa
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Yasushi Yamaguchi
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Shoko Oshigami
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Atsushi Yamaji
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Takao Kobayashi
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Yoshiya Kasahara
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
  • Hiroshi Oya
    Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.

書誌事項

公開日
2009-02-13
DOI
  • 10.1126/science.1165988
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:p>Observations of the subsurface geology of the Moon help advance our understanding of lunar origin and evolution. Radar sounding from the Kaguya spacecraft has revealed subsurface layers at an apparent depth of several hundred meters in nearside maria. Comparison with the surface geology in the Serenitatis basin implies that the prominent echoes are probably from buried regolith layers accumulated during the depositional hiatus of mare basalts. The stratification indicates a tectonic quiescence between 3.55 and 2.84 billion years ago; mare ridges were formed subsequently. The basalts that accumulated during this quiet period have a total thickness of only a few hundred meters. These observations suggest that mascon loading did not produce the tectonics in Serenitatis after 3.55 billion years ago. Global cooling probably dominated the tectonics after 2.84 billion years ago.</jats:p>

収録刊行物

  • Science

    Science 323 (5916), 909-912, 2009-02-13

    American Association for the Advancement of Science (AAAS)

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