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7. Planetary science

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  1. Venus is covered with thick clouds. Ultraviolet (UV) images at 0.3–0.4 microns show detailed cloud features at the cloud-top level at about 70 km, which are created by an unknown UV-absorbing substance. Images...

    Authors: Takeshi Horinouchi, Toru Kouyama, Yeon Joo Lee, Shin-ya Murakami, Kazunori Ogohara, Masahiro Takagi, Takeshi Imamura, Kensuke Nakajima, Javier Peralta, Atsushi Yamazaki, Manabu Yamada and Shigeto Watanabe
    Citation: Earth, Planets and Space 2018 70:10
  2. The status and initial products of the 1-μm camera onboard the Akatsuki mission to Venus are presented. After the successful retrial of Venus’ orbit insertion on Dec. 2015 (5 years after the failure in Dec. 20...

    Authors: Naomoto Iwagami, Takeshi Sakanoi, George L. Hashimoto, Kenta Sawai, Shoko Ohtsuki, Seiko Takagi, Kazunori Uemizu, Munetaka Ueno, Shingo Kameda, Shin-ya Murakami, Masato Nakamura, Nobuaki Ishii, Takumi Abe, Takehiko Satoh, Takeshi Imamura, Chikako Hirose…
    Citation: Earth, Planets and Space 2018 70:6
  3. We performed two axial deformation experiments on synthetic polycrystalline anorthite samples with a grain size of ~ 3 μm and 5 vol% Si–Al-rich glass at 900 °C, a confining pressure of 1.0 GPa, and a strain ra...

    Authors: Jun-ichi Fukuda, Jun Muto and Hiroyuki Nagahama
    Citation: Earth, Planets and Space 2018 70:3
  4. We present a meteor observation system based on imaging CCD cameras, wide-field optics and a diffraction grating. This system is composed of two independent spectrographs with different configurations, which a...

    Authors: Francisco Ángel Espartero, Germán Martínez, Marta Frías, Francisco Simón Montes Moya and Alberto Javier Castro-Tirado
    Citation: Earth, Planets and Space 2018 70:2
  5. We provide an overview of data products from observations by the Japanese Venus Climate Orbiter, Akatsuki, and describe the definition and content of each data-processing level. Levels 1 and 2 consist of non-c...

    Authors: Kazunori Ogohara, Masahiro Takagi, Shin-ya Murakami, Takeshi Horinouchi, Manabu Yamada, Toru Kouyama, George L. Hashimoto, Takeshi Imamura, Yukio Yamamoto, Hiroki Kashimura, Naru Hirata, Naoki Sato, Atsushi Yamazaki, Takehiko Satoh, Naomoto Iwagami, Makoto Taguchi…
    Citation: Earth, Planets and Space 2017 69:167
  6. The first year (December 2015 to November 2016) of IR2 after Akatsuki’s successful insertion to an elongated elliptical orbit around Venus is reported with performance evaluation and results of data acquisitio...

    Authors: Takehiko Satoh, Takao M. Sato, Masato Nakamura, Yasumasa Kasaba, Munetaka Ueno, Makoto Suzuki, George L. Hashimoto, Takeshi Horinouchi, Takeshi Imamura, Atsushi Yamazaki, Takayuki Enomoto, Yuri Sakurai, Kosuke Takami, Kenta Sawai, Takashi Nakakushi, Takumi Abe…
    Citation: Earth, Planets and Space 2017 69:154
  7. The Venus Climate Orbiter Akatsuki arrived at Venus in December 2015, and the Longwave Infrared Camera (LIR) onboard the spacecraft started making observations. LIR has acquired more than 8000 images during th...

    Authors: Tetsuya Fukuhara, Makoto Taguchi, Takeshi Imamura, Akane Hayashitani, Takeru Yamada, Masahiko Futaguchi, Toru Kouyama, Takao M. Sato, Mao Takamura, Naomoto Iwagami, Masato Nakamura, Makoto Suzuki, Munetaka Ueno, George L. Hashimoto, Mitsuteru Sato, Seiko Takagi…
    Citation: Earth, Planets and Space 2017 69:141
  8. After the arrival of Akatsuki spacecraft of Japan Aerospace Exploration Agency at Venus in December 2015, the radio occultation experiment, termed RS (Radio Science), obtained 19 vertical profiles of the Venus...

    Authors: Takeshi Imamura, Hiroki Ando, Silvia Tellmann, Martin Pätzold, Bernd Häusler, Atsushi Yamazaki, Takao M. Sato, Katsuyuki Noguchi, Yoshifumi Futaana, Janusz Oschlisniok, Sanjay Limaye, R. K. Choudhary, Yasuhiro Murata, Hiroshi Takeuchi, Chikako Hirose, Tsutomu Ichikawa…
    Citation: Earth, Planets and Space 2017 69:137
  9. We conducted ground-based performance evaluation tests of the Near-Infrared Spectrometer (NIRS3) onboard Hayabusa2 spacecraft in November 2013 and from April to May 2014 and established a method for evaluating...

    Authors: Moe Matsuoka, Tomoki Nakamura, Takahito Osawa, Takahiro Iwata, Kohei Kitazato, Masanao Abe, Yusuke Nakauchi, Takehiko Arai, Mutsumi Komatsu, Takahiro Hiroi, Naoya Imae, Akira Yamaguchi and Hideyasu Kojima
    Citation: Earth, Planets and Space 2017 69:120
  10. Jupiter’s moon Io, which orbits deep inside the magnetosphere, is the most geologically active object in the solar system. Kurdalagon Patera, a volcano on Io, erupted in 2015 and became a substantial source of...

    Authors: Ichiro Yoshikawa, Fumiharu Suzuki, Reina Hikida, Kazuo Yoshioka, Go Murakami, Fuminori Tsuchiya, Chihiro Tao, Atsushi Yamazaki, Tomoki Kimura, Hajime Kita, Hiromasa Nozawa and Masaki Fujimoto
    Citation: Earth, Planets and Space 2017 69:110
  11. Optical and infrared remote sensing may provide first-order clues for the identification of potential impact structures on the Earth. Despite the free availability of at least optical image data at highest res...

    Authors: Stephan van Gasselt, Jung Rack Kim, Yun-Soo Choi and Jaemyeong Kim
    Citation: Earth, Planets and Space 2017 69:35
  12. The evolution of Mars has been greatly influenced by temporal changes in its rheological structure, which may explain the difference in tectonics between Mars and Earth. Some previous studies have shown the rh...

    Authors: Shintaro Azuma and Ikuo Katayama
    Citation: Earth, Planets and Space 2017 69:8
  13. We report results of a laser link experiment between a laser altimeter called light detection and ranging (LIDAR) aboard Hayabusa2 and ground-based satellite laser ranging stations conducted when the spacecraf...

    Authors: Hirotomo Noda, Hiroo Kunimori, Takahide Mizuno, Hiroki Senshu, Naoko Ogawa, Hiroshi Takeuchi, Chris Moore, Alex Pollard, Tomohiro Yamaguchi, Noriyuki Namiki, Teiji Kase, Takanao Saiki and Yuichi Tsuda
    Citation: Earth, Planets and Space 2017 69:2
  14. The formation ages of tectonic structures and their spatial distributions were studied in the northwestern Imbrium and Sinus Iridum regions using images obtained by Terrain Camera and Multiband Imager on board...

    Authors: Yuko Daket, Atsushi Yamaji, Katsushi Sato, Junichi Haruyama, Tomokatsu Morota, Makiko Ohtake and Tsuneo Matsunaga
    Citation: Earth, Planets and Space 2016 68:157
  15. The last decades have seen a large number of missions targeting small bodies in the solar system. NASA, ESA and JAXA sent missions to different solar system small bodies (SSSB), and the Japan mission Hayabusa ...

    Authors: Alessandro Maturilli, Jörn Helbert, Sabrina Ferrari, Björn Davidsson and Mario D’Amore
    Citation: Earth, Planets and Space 2016 68:113
  16. A single aperture and hollow retroreflector [corner-cube mirror (CCM)] that in principle has no internal optical path difference is a key instrument for achieving lunar laser ranging one order or more accurate...

    Authors: Hiroshi Araki, Shingo Kashima, Hirotomo Noda, Hiroo Kunimori, Kouta Chiba, Hitomi Mashiko, Hiromasa Kato, Toshimichi Otsubo, Yoshiaki Matsumoto, Seiitsu Tsuruta, Kazuyoshi Asari, Hideo Hanada, Susumu Yasuda, Shin Utsunomiya and Hideo Takino
    Citation: Earth, Planets and Space 2016 68:101
  17. AKATSUKI is the Japanese Venus Climate Orbiter that was designed to investigate the climate system of Venus. The orbiter was launched on May 21, 2010, and it reached Venus on December 7, 2010. Thrust was appl...

    Authors: Masato Nakamura, Takeshi Imamura, Nobuaki Ishii, Takumi Abe, Yasuhiro Kawakatsu, Chikako Hirose, Takehiko Satoh, Makoto Suzuki, Munetaka Ueno, Atsushi Yamazaki, Naomoto Iwagami, Shigeto Watanabe, Makoto Taguchi, Tetsuya Fukuhara, Yukihiro Takahashi, Manabu Yamada…
    Citation: Earth, Planets and Space 2016 68:75
  18. IR2, a near-infrared camera in the 2-μm region onboard Akatsuki has been developed to primarily study the middle-to-lower atmospheric dynamics of Venus as probed in the 1.74- and 2.3-μm “windows” of the

    Authors: Takehiko Satoh, Masato Nakamura, Munetaka Ueno, Kazunori Uemizu, Makoto Suzuki, Takeshi Imamura, Yasumasa Kasaba, Seiji Yoshida and Masafumi Kimata
    Citation: Earth, Planets and Space 2016 68:74
  19. The compositions of diverse planetary bodies are of fundamental interest to planetary science, providing clues to the formation and evolutionary history of the target bodies and the solar system as a whole. Ut...

    Authors: Jaesub Hong and Suzanne Romaine
    Citation: Earth, Planets and Space 2016 68:35

    The Erratum to this article has been published in Earth, Planets and Space 2016 68:122

  20. This special issue gathered papers from the International CAWSES-II Symposium (November 18–22, 2013 at Nagoya University, Japan). Climate and Weather of the Sun-Earth System II (CAWSES-II) is an international ...

    Authors: Mamoru Yamamoto, Kazuo Shiokawa, Takuji Nakamura and Nat Gopalswamy
    Citation: Earth, Planets and Space 2016 68:26
  21. Lunar meteorite Northwest Africa (NWA) 2977 is identified as an olivine cumulate gabbro (OC), consisting of coarse cumulate olivine crystals up to 1 mm with low-Ca and high-Ca pyroxenes, plagioclase, and inter...

    Authors: Hiroshi Nagaoka, Yuzuru Karouji, Hiroshi Takeda, Timothy J. Fagan, Mitsuru Ebihara and Nobuyuki Hasebe
    Citation: Earth, Planets and Space 2015 67:200
  22. We report the results of detailed mineralogical investigations by analytical scanning and transmission electron microscopy of particle RA-QD02-0115 recovered from the surface of asteroid 25143 Itokawa. We divi...

    Authors: Dennis Harries and Falko Langenhorst
    Citation: Earth, Planets and Space 2014 66:163
  23. Analyses with a scanning transmission x-ray microscope (STXM) using x-ray absorption near edge structure (XANES) spectroscopy were applied for the molecular characterization of two kinds of carbonaceous partic...

    Authors: Hikaru Yabuta, Masayuki Uesugi, Hiroshi Naraoka, Motoo Ito, A L David Kilcoyne, Scott A Sandford, Fumio Kitajima, Hajime Mita, Yoshinori Takano, Toru Yada, Yuzuru Karouji, Yukihiro Ishibashi, Tatsuaki Okada and Masanao Abe
    Citation: Earth, Planets and Space 2014 66:156
  24. We report here detailed analytical scanning and transmission electron microscopic investigations on an olivine-dominated dust particle (RB-QD04-0042) from the surface of asteroid 25143 Itokawa. The dust partic...

    Authors: Falko Langenhorst, Dennis Harries, Kilian Pollok and Peter A van Aken
    Citation: Earth, Planets and Space 2014 66:118
  25. Since isotopic ratios of H, C, and N are sensitive indicators for determining extraterrestrial organics, we have measured these isotopes of Hayabusa category 3 organic samples of RB-QD04-0047-02, RA-QD02-0120,...

    Authors: Motoo Ito, Masayuki Uesugi, Hiroshi Naraoka, Hikaru Yabuta, Fumio Kitajima, Hajime Mita, Yoshinori Takano, Yuzuru Karouji, Toru Yada, Yukihiro Ishibashi, Tatsuaki Okada and Masanao Abe
    Citation: Earth, Planets and Space 2014 66:91
  26. Here we report microchemical and microstructural features indicative of space weathering in a particle returned from the surface of asteroid Itokawa by the Hayabusa mission. Space weathering features include p...

    Authors: Michelle S Thompson, Roy Christoffersen, Thomas J Zega and Lindsay P Keller
    Citation: Earth, Planets and Space 2014 66:89
  27. We studied seven Itokawa particles provided by the Japan Aerospace Exploration Agency (JAXA) as first International Announcement of Opportunity (AO) study mainly using electron and synchrotron radiation X-ray ...

    Authors: Takashi Mikouchi, Mutsumi Komatsu, Kenji Hagiya, Kazumasa Ohsumi, Michael E Zolensky, Viktor Hoffmann, James Martinez, Rupert Hochleitner, Melanie Kaliwoda, Yasuko Terada, Naoto Yagi, Masaki Takata, Wataru Satake, Yuya Aoyagi, Atsushi Takenouchi, Yuzuru Karouji…
    Citation: Earth, Planets and Space 2014 66:82

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