Search Results - "Ohtake, Makiko"
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1
Plumes of Water Ice/Gas Mixtures Observed in the Lunar Polar Region
Published in The Astrophysical journal (01-03-2024)“…Abstract The presence of water condensation in the lunar polar region has been reported. However, the origin and amount of water remain unknown, and…”
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2
The compositions of the lunar crust and upper mantle: Spectral analysis of the inner rings of lunar impact basins
Published in Planetary and space science (01-01-2019)“…The innermost ring in impact basins exposes material originating from various depths, and can be used to study the composition of the lunar crust with depth…”
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3
NIRS3: The Near Infrared Spectrometer on Hayabusa2
Published in Space science reviews (01-07-2017)“…NIRS3: The Near Infrared Spectrometer is installed on the Hayabusa2 spacecraft to observe the target C-type asteroid 162173 Ryugu at near infrared wavelengths…”
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4
Three-dimensional shape distribution of lunar regolith particles collected by the Apollo and Luna programs
Published in Earth, planets, and space (26-11-2022)“…The shapes of regolith particles on airless bodies, such as the Moon and asteroids, are important to understand their formation and evolution on surfaces…”
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Spectral characterization of the craters of Ryugu as observed by the NIRS3 instrument on-board Hayabusa2
Published in Icarus (New York, N.Y. 1962) (15-03-2021)“…C-type rubble pile asteroid (162173) Ryugu was observed and characterized up close for a year and a half by the instruments on-board the Japanese Aerospace…”
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6
Possible mantle origin of olivine around lunar impact basins detected by SELENE
Published in Nature geoscience (01-08-2010)“…The composition, structure and evolution of the Moon's mantle is poorly constrained. The mineral olivine, one of the main constituents of Earth's mantle, has…”
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7
The global distribution of pure anorthosite on the Moon
Published in Nature (London) (10-09-2009)“…It has been thought that the lunar highland crust was formed by the crystallization and floatation of plagioclase from a global magma ocean, although the…”
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8
Geologic structure generated by large-impact basin formation observed at the South Pole-Aitken basin on the Moon
Published in Geophysical research letters (28-04-2014)“…The South Pole‐Aitken (SPA) basin is the largest clearly recognized basin on the lunar surface. Determining the composition and structure of the SPA basin…”
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9
Timing and characteristics of the latest mare eruption on the Moon
Published in Earth and planetary science letters (01-02-2011)“…Unraveling the timing and duration of mare volcanism on the Moon is essential for understanding its thermal evolution. The end of mare volcanism is poorly…”
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10
Global Distribution and Geological Context of Co‐Existing Occurrences of Olivine‐Rich and Plagioclase‐Rich Materials on the Lunar Surface
Published in Journal of geophysical research. Planets (01-02-2022)“…We examined the global distribution and geological context of lunar sites where olivine‐ and plagioclase‐rich materials co‐exist. These sites are areas showing…”
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Asymmetric crustal growth on the Moon indicated by primitive farside highland materials
Published in Nature geoscience (01-06-2012)“…The origin of the dichotomy between the lunar nearside and farside is unclear. Analysis of spectral reflectance data from the Kaguya lunar orbiter indicates a…”
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12
Global classification of lunar reflectance spectra obtained by Kaguya (SELENE): Implication for hidden basaltic materials
Published in Icarus (New York, N.Y. 1962) (15-03-2019)“…•The global spectral classification map of the Moon is given by unsupervised classification methods under unified criteria.•The lunar spectra is divided into…”
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13
Possible lunar lava tube skylight observed by SELENE cameras
Published in Geophysical research letters (01-11-2009)“…We discovered a vertical hole on the Moon, which is a possible lava tube skylight, using data from SELENE's two high‐resolution cameras: the Terrain Camera and…”
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14
Long-Lived Volcanism on the Lunar Farside Revealed by SELENE Terrain Camera
Published in Science (American Association for the Advancement of Science) (13-02-2009)“…We determined model ages of mare deposits on the farside of the Moon on the basis of the crater frequency distributions in 10-meter-resolution images obtained…”
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15
Global lunar-surface mapping experiment using the Lunar Imager/Spectrometer on SELENE
Published in Earth, planets and space (01-01-2008)“…The Moon is the nearest celestial body to the Earth. Understanding the Moon is the most important issue confronting geosciences and planetary sciences. Japan…”
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Journal Article Conference Proceeding -
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Investigation of 3D Grain Shape Characteristics of Lunar Soil Retrieved in Apollo 16 Using Image-Based Discrete-Element Modeling
Published in Journal of aerospace engineering (01-07-2015)“…AbstractThis paper describes three-dimensional (3D) grain shape characteristics of returned lunar soil (No. 60501) and its numerical simulation by using the…”
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17
Estimation of the permittivity and porosity of the lunar uppermost basalt layer based on observations of impact craters by SELENE
Published in Journal of geophysical research. Planets (01-07-2013)“…We have investigated the geological conditions below two lava flow units through determining the bulk permittivity and porosity in the uppermost basalt layer…”
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18
A new model of lunar crust: asymmetry in crustal composition and evolution
Published in Earth, planets and space (01-01-2008)“…Earlier models of lunar crustal formation as a simple flotation of ferroan anorthosites (FAN) do not account for the diverse crustal composition revealed by…”
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Journal Article Conference Proceeding -
19
Compositional evidence for an impact origin of the Moon’s Procellarum basin
Published in Nature geoscience (01-11-2012)“…The nearside and farside of the Moon are compositionally distinct. The detection of low-calcium pyroxene around large impact basins suggests that the huge…”
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20
Lack of Exposed Ice Inside Lunar South Pole Shackleton Crater
Published in Science (American Association for the Advancement of Science) (07-11-2008)“…The inside of Shackleton Crater at the lunar south pole is permanently shadowed; it has been inferred to hold water-ice deposits. The Terrain Camera (TC), a…”
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