A peer-reviewed journal would not survive without the generous time and insightful comments of the reviewers, whose efforts often go unrecognized.
Editors and staff of Earth, Planets and Space would like to publicly acknowledge our peer reviewers in 2021.

Toru Adachi, JAPAN
Duncan Agnew, UNITED STATES
Koki Aizawa, JAPAN
Ofonime AKPAN, NIGERIA
Takeshi Akuhara, JAPAN
Paul Karson Alanis, PHILIPPINES
Dmitry Alekseev, RUSSIAN FEDERATION
Patrick Alken, UNITED STATES
Chao An, CHINA
Thomas Andert, GERMANY
David Andrews, SWEDEN
Hideo Aochi, FRANCE
Yosuke Aoki, JAPAN
Ilenia Arienzo, ITALY
Anton Artemyev, UNITED STATES
Kimiyuki Asano, JAPAN
Seiki Asari, JAPAN
Pascal Audet, CANADA
Kiyoshi Baba, JAPAN
Toshitaka Baba, JAPAN
Ronald Bakker, AUSTRIA
Nanan Balan, BRAZIL
Domenico Barberio, ITALY
Ankit Barik, UNITED STATES
Riccardo Barzaghi, ITALY
Ciaran Beggan, UNITED KINGDOM
Whitney Behr, SWITZERLAND
Sebastien Besse, SPAIN
Sebastien Biasse, SINGAPORE
Maren Bose, SWITZERLAND
Giulia Bossi, ITALY
Esteban Bowles-Martinez, UNITED STATES
David Brain, UNITED STATES
Florent Brenguier, FRANCE
Jan Martin Brockmann, GERMANY
Benjamin Brooks, UNITED STATES
William Brown, UNITED KINGDOM
John Brucato, ITALY
Stephan Christoph Buchert, SWEDEN
Bruce Buffett, UNITED STATES
Roland Burgmann, UNITED STATES
Jacopo Cabassi, ITALY
Yunmeng Cao, SAUDI ARABIA
Annalisa Cappello, ITALY
Simone Cesca, GERMANY
Calum Chamberlain, NEW ZEALAND
Phil Chamberlin, UNITED STATES
Harish Chandra, INDIA
Loren Chang, TAIWAN, PROVINCE OF CHINA
Wu-Lung Chang, TAIWAN
Julien Chaput, UNITED STATES
Patrick Charlot, FRANCE
Annick CHAUVIN, FRANCE
Alan Chave, UNITED STATES
Chia-Hung Chen, TAIWAN
Kate Chen, TAIWAN
Kejie Chen, UNITED STATES
Lunjin Chen, UNITED STATES
Sean Kuanhsiang Chen, TAIWAN
Shu-Ya Chen, TAIWAN
Xiaowei Chen, UNITED STATES
Xue Chen, ITALY
Yunfeng Chen, CHINA
Changfu Chen, CHINA
Yifang Cheng, UNITED STATES
Kyungsuk Cho, KOREA, REPUBLIC OF
Min-Yang Chou, UNITED STATES
Mathieu Choukroun, UNITED STATES
Apostolos Christou, UNITED KINGDOM
Feng Chu, UNITED STATES
Xiangning Chu, UNITED STATES
Arnaud Chulliat, UNITED STATES
Jaroslav Chum, CZECH REPUBLIC
Peter Clarke, UNITED KINGDOM
Mark A. Clilverd, UNITED KINGDOM
Matthew Comeau, GERMANY
Guy Consolmagno, ITALY
John Crouch, NEW ZEALAND
Matija Cuk, UNITED STATES
Erin Cunningham, UNITED STATES
J.J. Curto, SPAIN
Gareth Davies, AUSTRALIA
Eurico de Paula, BRAZIL
Angelo De Santis, ITALY
Andrei Demekhov, RUSSIAN FEDERATION
Maarten deMoor, COSTA RICA
Yue Deng, UNITED STATES
Marine Denolle, UNITED STATES
Frederic Deschamps, TAIWAN
Domenico Di Giacomo, UNITED KINGDOM
Gerald Dibarboure, FRANCE
Kaihua Ding, CHINA
Hao Dong, CHINA
Mathieu Dumberry, CANADA
Jerome Dyment, FRANCE
Fabio Egito Gomes, BRAZIL
Mitsumu Ejiri, JAPAN
Ahmed Elbanna, UNITED STATES
Tom Elsden, UNITED KINGDOM
Scott England, UNITED STATES
Philip Erickson, UNITED STATES
Rob Evans, UNITED STATES
Colin Farquharson, CANADA
Kristen Fauria, UNITED STATES
Wuhu Feng, UNITED KINGDOM
Ian Ferguson, CANADA
Jose Ferrandiz, SPAIN
Cosme Alexandre Figueiredo, BRAZIL
Christopher Finlay, DENMARK
Carol Finn, UNITED STATES
Tobias Fischer, UNITED STATES
Harald Frey, UNITED STATES
Marc Fries, UNITED STATES
Yuning Fu, UNITED STATES
Ikuko Fujii, JAPAN
Akiko Fujimoto, JAPAN
Eisuke Fujita, JAPAN
Shigeru Fujita, JAPAN
Kiyoshi Fuji-ta, JAPAN
Hitoshi Fujiwara, JAPAN
Yukitoshi Fukahata, JAPAN
Yoshio Fukao, JAPAN
Yoichi Fukuda, JAPAN
Yo Fukushima , JAPAN
Mikito Furuichi, JAPAN
Masato Furuya, JAPAN
Jennifer Gannon, UNITED STATES
Guoming Gao, CHINA
Hidenori Genda, JAPAN
Essam Ghamry, EGYPT
Khosro Ghobadi-Far, AUSTRALIA
Abhijit Ghosh, UNITED STATES
Agnieszka Gil, POLAND
Tarsilo Girona, UNITED STATES
Mark Golkowski, UNITED STATES
Giorgio Gomba, GERMANY
Christopher Gomez, JAPAN
Alex Gonsette, BELGIUM
Juan Americo Gonzalez-Esparzam, MEXICO
Alexander Grayver, SWITZERLAND
Amitava Guharay, INDIA
Jinyun Guo, CHINA
Dijun Guo, CHINA
Aditya Gusman, NEW ZEALAND
Scott Guzewich, UNITED STATES
Stein Haaland, NORWAY
Satoshi Hamasaki, JAPAN
Bill Hammond, UNITED STATES
Raehee Han, KOREA, REPUBLIC OF
Yoichiro Hanaoka, JAPAN
Miroslav Hanzelka, CZECH REPUBLIC
Jihua Hao, CHINA
Ming Hao, CHINA
Sunao Hasegawa, JAPAN
Minako Hashiguchi, JAPAN
Akinori Hashima, JAPAN
Egill Hauksson, UNITED STATES
Takumi Hayashida, JAPAN
Liming He, CHINA
Jeffrey Hedenquist, CANADA
Wiebke Heise, NEW ZEALAND
Pavel Hejda, CZECH REPUBLIC
Stuart Henrys, NEW ZEALAND
James Hickey, UNITED KINGDOM
Yuji Himematsu, JAPAN
Naru Hirata, JAPAN
Fuyuki Hirose, JAPAN
Hitoshi Hirose, JAPAN
Greg Hirth, UNITED STATES
Tungcheng Ho, JAPAN
Manuel Hobiger, SWITZERLAND
Ryou Honda, JAPAN
Mihaly Horanyi, UNITED STATES
Chorng-Shern Horng, TAIWAN
Alicia Hotovec-Ellis, UNITED STATES
Yuta Hozumi, JAPAN
Ya-Ju Hsu, TAIWAN
Jyr-Ching Hu, TAIWAN
Jyun-Yan Huang, TAIWAN
Ting-Chung Huang, TAIWAN
Baochun Huang, CHINA
Kayla Iacovino, UNITED STATES
Jesus Ibanez, SPAIN
Mie Ichihara, JAPAN
Kentaro Imai, JAPAN
Shun Imajo, JAPAN
Kazutoshi Imanishi, JAPAN
Daisuke Inazu, JAPAN
Malcolm Ingham, NEW ZEALAND
Jun-ichiro Ishibashi, JAPAN
Naoto Ishikawa, JAPAN
Tatsuya Ishiyama, UNITED STATES
Satoshi Itaba, JAPAN
Hisatoshi Ito, JAPAN
Takeo Ito, JAPAN
Toshihiko Iyemori, JAPAN
Tang Ji, CHINA
Hongguo Jia, CHINA
Junle Jiang, UNITED STATES
Hidekatsu Jin, JAPAN
Arthur Jolly, UNITED STATES
Klara Kalousova, CZECH REPUBLIC
Kyuichi Kanagawa, JAPAN
Wataru Kanda, JAPAN
Yasuyuki Kano, JAPAN
Masami Kanzaki, JAPAN
Ozelm Karagoz, TURKEY
Makan Karegar, GERMANY
Yuto Katoh, JAPAN
Kei Katsumata, JAPAN
Hironori Kawakata, JAPAN
Satoshi Kawamoto, JAPAN
Yoko Kebukawa, JAPAN
Kunihiro Keika, JAPAN
Akos Kereszturi, HUNGARY
Geoff Kilgour, NEW ZEALAND
Gaku Kimura, JAPAN
Yohei Kinoshita, JAPAN
Yuichi Kitagawa, JAPAN
K. Kitamura, JAPAN
Kohei Kitazato, JAPAN
Emilie Klein, FRANCE
Anna Klos, POLAND
Tomokazu Kobayashi, JAPAN
Leon Kocharov, FINLAND
Miroslav Kocifaj, SLOVAKIA
Yuki Kodera, JAPAN
Timothy Kodikara, GERMANY
Masaru Kogure, JAPAN
Szabolcs Kosik, NEW ZEALAND
Alexander Koustov, CANADA
Svetlana Kovacikova, CZECH REPUBLIC
Vladimir Krasnopolsky, UNITED STATES
Corne Kreemer, UNITED STATES
Mikhail Kreslavsky, UNITED STATES
Takeshi Kudo, JAPAN
Michael Kueppers, SPAIN
Kishore Kumar, INDIA
Chun-Hsiang Kuo, TAIWAN
Takeshi Kuritani, JAPAN
Shigekazu Kusumoto, JAPAN
Alexey Kuvshinov, SWITZERLAND
Young-Sil Kwak, KOREA, REPUBLIC OF
Marco Laiolo, ITALY
Sebastien Lambert, FRANCE
Dietrich Lange, GERMANY
Jan Lastovicka, CZECH REPUBLIC
Ralph Latteck, GERMANY
Karl Laundal, NORWAY
Sebastien Le Maistre, BELGIUM
Richard Lease, UNITED STATES
Chyi-Tyi Lee, TAIWAN
Juliana Leitzke, AUSTRIA
Vedran Leki?, UNITED STATES
Olivier Lengline, FRANCE
Vincent Lesur, FRANCE
Gang Li, UNITED STATES
Hailong Li, CHINA
Jintai Li, UNITED STATES
Wen Li, UNITED STATES
Yujiang Li, CHINA
Jie Li, AUSTRALIA
Jun Liang, CANADA
Janos Lichtenberger, HUNGARY
Charles Lin, TAIWAN
Qigen Lin, CHINA
Jing-Yi Lin, TAIWAN
Jann-Yeng Liu, TAIWAN
Giuliano Liuzzi, UNITED STATES
Phillip Livermore, UNITED KINGDOM
Andrea Llenos, UNITED STATES
Bryant Loomis, UNITED STATES
Jeffrey Love, UNITED STATES
Hermann Luehr, GERMANY
Juha-pekka Luntama, GERMANY
John Lyons, UNITED STATES
Donglai Ma, UNITED STATES
Giovanni Macedonio, ITALY
Jose Madiedo, SPAIN
Martin Mai, SAUDI ARABIA
Zinovy Malkin, RUSSIAN FEDERATION
Pramitha Maniyattu, INDIA
Jyrki Manninen, FINLAND
Vern Manville, UNITED KINGDOM
Anna Marti, SPAIN
Bernard Marty, FRANCE
Koji Matsumoto, JAPAN
Tetsuo Matsuno, JAPAN
Koji Matsuo, JAPAN
Ayako Matsuoka, JAPAN
Nobuhisa Matsuta, JAPAN
Astrid Maute, UNITED STATES
Rachel Maxwell, UNITED STATES
Carsten Mayer, GERMANY
Lucia McCallum, AUSTRALIA
Jeff Mcguire, UNITED STATES
Frederick Menk, AUSTRALIA
Nigel Meredith, UNITED KINGDOM
Katherine Mesick, UNITED STATES
Andrew Michael, UNITED STATES
Steve Milan, UNITED KINGDOM
Craig Miller, NEW ZEALAND
David Mimoun, FRANCE
Takuto Minami, JAPAN
Takuto Minami, JAPAN
Sarah Minson, UNITED STATES
Yuta Mitsui, JAPAN
Yuta Mitsui, JAPAN
Himanshu Mittal, INDIA
Masaaki Miyahara, JAPAN
Hideaki Miyamoto, JAPAN
Masatoshi Miyazawa, JAPAN
Pranabendu Moitra, UNITED STATES
Gaspar Monsalve, COLOMBIA
Emily Montgomery-Brown, UNITED STATES
James Mori, JAPAN
Manabu Morishige, JAPAN
Yu Morishita, JAPAN
Tomokatsu Morota, JAPAN
Nils Mueller, GERMANY
Hiroshi Munekane, JAPAN
Scott Murchie, UNITED STATES
Benjamin Murphy, UNITED STATES
Akira Nagano, JAPAN
Toshiyasu Nagao, JAPAN
Fumiaki Nagashima, JAPAN
Manoj Nair, UNITED STATES
Hiromu Nakagawa, JAPAN
Hisashi Nakahara, JAPAN
Mamoru Nakamura, JAPAN
Yasuyuki Nakamura, JAPAN
Hitomi Nakamura, JAPAN
Masao Nakamura, JAPAN
Shin'ya Nakano, JAPAN
Takayuki Nakano, JAPAN
Hiroyuki Nakata, JAPAN
Masao Nakatani, JAPAN
Atsuko Namiki, JAPAN
Noriyuki Namiki, JAPAN
Makoto Naoi, JAPAN
Kazunari Nawa, JAPAN
Anne Neska, POLAND
Maik Neukirch, SPAIN
Chigo Ngwira, UNITED STATES
Aleksandra Nina, SERBIA
Tomoaki Nishikawa, JAPAN
Michi Nishioka, JAPAN
Nozomu Nishitani, JAPAN
Fenglin Niu, UNITED STATES
Akemi Noda, JAPAN
Masahito Nose, JAPAN
Jurgen Oberst, GERMANY
Masaki Ogawa, JAPAN
Masashi Ogiso, JAPAN
Makiko Ohtake, JAPAN
Tomohiro Ohuchi, JAPAN
Hiroyo Ohya, JAPAN
Mako Ohzono, JAPAN
Makoto Okada, JAPAN
Atsushi Okamoto, JAPAN
Takuo Okamoto, JAPAN
Y. Okamura, JAPAN
Takaki Okatani, JAPAN
Kyoko Okino, JAPAN
Kurama Okubo, JAPAN
Makoto Okubo, JAPAN
Toshimichi Otsubo, JAPAN
Yuichi Otsuka, JAPAN
Francesca Pace, ITALY
Passakorn Pananont, THAILAND
Giuliano F. Panza, ITALY
Jaeheung Park, KOREA, REPUBLIC OF
Iseul Park, KOREA, REPUBLIC OF
Noora Partamies, NORWAY
Greig Paterson, UNITED KINGDOM
Pierre-Dominique Pautet, UNITED STATES
Tamlin Pavelsky, UNITED STATES
Wei Peng, TAIWAN
Camilla Penney, UNITED KINGDOM
Giuseppe Piccioni, ITALY
Simone Pillia, UNITED KINGDOM
Perla Pina-Varas, AUSTRALIA
Daniele Pinti CANADA
Sylvain Piqueux, UNITED STATES
Andrew Poppe, UNITED STATES
Jonathan Procter, NEW ZEALAND
S. Tulasi Ram, UNITED STATES
Igor Rapp‐Arraras, SPAIN
Geoff Reeves, UNITED STATES
Mirko Reguzzoni, ITALY
John Retterer, UNITED STATES
Umberto Riccardi, ITALY
Phil Richards, UNITED STATES
Carl Richter, UNITED STATES
Kevin Righter, UNITED STATES
Bashar Rizk, UNITED STATES
Jose Rodriguez, SPAIN
Severine Rosat, FRANCE
Ted Roush, UNITED STATES
Baptiste Rousset, UNITED STATES
Dmitri Rouwet, ITALY
David Ruffolo, THAILAND
Mario Ruiz, ECUADOR
Michael Rycroft, UNITED KINGDOM
Takeshi Sagiya, JAPAN
Kazuto Saiki, JAPAN
Akinori Saito, JAPAN
Susumu Saito, JAPAN
Tetsuya Sakai, JAPAN
Takatoshi Sakazaki, JAPAN
Vassilis Saltas, GREECE
Laura Sanchez, GERMANY
Ondrej Santolik, CZECH REPUBLIC
Theodore Sarris, GREECE
Sho Sasaki, JAPAN
Hiroshi SATO, JAPAN
Daniel Schmid, AUSTRIA
Neesha Schnepf, UNITED STATES
Mariangela Sciotto, ITALY
Gopi Seemala, INDIA
Valera Shcherbakov, RUSSIAN FEDERATION
Yawen She, CHINA
David Shelly, UNITED STATES
Nikolay Shestakov, RUSSIAN FEDERATION
Zheming Shi, CHINA
Michiko Shigefuji, JAPAN
Norio Shigematsu, JAPAN
Hisayoshi Shimizu, JAPAN
Hiroyuki Shinagawa, JAPAN
Atsuki Shinbori, JAPAN
Katsuhiko Shiomi, JAPAN
Masanobu Shishikura, JAPAN
David Shklyar, RUSSIAN FEDERATION
Mahesh Shrivastava, CHILE
Wu Shuanglan, JAPAN
Yukari Shusse, JAPAN
Tarique Siddiqui, GERMANY
Jan Sileny, CZECH REPUBLIC
Janelle Simpson, AUSTRALIA
Mikhail Sitnov, UNITED STATES
Lee Slater, UNITED STATES
Maxim Smirnov, SWEDEN
Maria Smirnova, GERMANY
Ashley Smith, UNITED KINGDOM
Benedikt Soja, UNITED STATES
Seok Goo Song, KOREA, REPUBLIC OF
Krzysztof So?nica, POLAND
Luca Spogli, ITALY
Michal Sprlak, CZECH REPUBLIC
S. Sripathi, INDIA
Andrew Stephan, UNITED STATES
Mike Stevens, UNITED STATES
Shih-Hao Su, TAIWAN
Daisuke Sugawara, JAPAN
Hiroko Sugioka, JAPAN
Roberto Sulpizio, ITALY
Danny Summers, CANADA
Jicheng Sun, CHINA
Yang-Yi Sun, JAPAN
Taka'aki Taira, UNITED STATES
Youichiro Takada, JAPAN
Ryota Takagi, JAPAN
Atsushi Takahashi, JAPAN
Kazue Takahashi, UNITED STATES
Tomoya Takano, JAPAN
Hiroshi Takenaka, JAPAN
Sunny Tam, TAIWAN
Sachiko Tanaka, JAPAN
Yoshiyuki Tanaka, JAPAN
Yuichiro Tanioka, JAPAN
John Tarduno, UNITED STATES
Lisa Tauxe, UNITED STATES
Erwan Thebault, FRANCE
Simon Thivet, GERMANY
Kristina Tietze, GERMANY
Dmitri Titov, NETHERLANDS
Gabriel Tobie, FRANCE
Shinji Toda, JAPAN
Hiroaki Toh, JAPAN
Yoshihiro Tomikawa, JAPAN
Brook Tozer, NEW ZEALAND
Bruce Tsurutani, UNITED STATES
Hiroaki Tsushima, JAPAN
Lucile Turc, FINLAND
Robert Tyler, UNITED STATES
Naoki Uchida, JAPAN
Muksin Umar, INDONESIA
Atsushi Urabe, JAPAN
Yoichi Usui, JAPAN
Hisashi Utada, JAPAN
Pavel Vaclavovic, CZECH REPUBLIC
Heikki Vanhamaki, FINLAND
Johan Varekamp, UNITED STATES
Matej Varga, UNITED STATES
Jakub Velimsky, CZECH REPUBLIC
Sarah Vines, UNITED STATES
Jan Vozar, SLOVAKIA
Wenbin Wang, UNITED STATES
Baoshan Wang, CHINA
Hua Wang, CHINA
Huapei Wang, CHINA
Liejun Wang, AUSTRALIA
Qing-Yu Wang, UNITED STATES
Baoshan Wang, CHINA
Ingo Wardinski, FRANCE
Shingo Watada, JAPAN
Toshiki Watanabe, JAPAN
Tohru Watanabe, JAPAN
Colin Waters, AUSTRALIA
Ian Watkinson, UNITED KINGDOM
Leighton Watson. UNITED STATES
Pierre Wawrzyniak, FRANCE
Robert Weigel, UNITED STATES
Andreas Weller, GERMANY
Yangmao Wen, CHINA
Rudolf Widmer-Schnidrig, GERMANY
Widodo Widodo, INDONESIA
Konrad Willner, GERMANY
Jonny Wu, UNITED STATES
Yi-Hsuan Wu, TAIWAN
Hartmut Wziontek, GERMANY
Jiyao Xu, CHINA
Minghui Xu, FINLAND
Shiqing Xu, CHINA
Chuang Xuan, UNITED KINGDOM
Vipin K. Yadav, INDIA
Muga Yaguchi, JAPAN
Masayuki Yamamoto, JAPAN
Mare Yamamoto, JAPAN
Takahiro Yamamoto, JAPAN
Yusuke Yamanaka, JAPAN
Yosuke Yamazaki, GERMANY
Keisuke Yano, JAPAN
Dongdong Yao, UNITED STATES
Shuo Yao, CHINA
Maya Yasui, JAPAN
Gaofeng Ye, CHINA
Akihiko Yokoo, JAPAN
Tatsuhiro Yokoyama, JAPAN
Nana Yoshimitsu, JAPAN
Bingkun Yu, UNITED KINGDOM
Hanwen Yu, UNITED STATES
Yongjae Yu, KOREA, REPUBLIC OF
Yang Yuanxi, CHINA
Sessai Yukimatu, JAPAN
Yohei Yukutake, JAPAN
Zhang Yunjun, UNITED STATES
Hamid Zafarani, IRAN
Aicheng Zhang, CHINA
Fan Zhang, CHINA
Jiaojiao Zhang, CHINA
Shenjian Zhang, CHINA
Qian Zhao, CHINA
Chen Zhou, CHINA
Shiyong Zhou, CHINA
Weiqiang Zhu, UNITED STATES
コウキ オウ , JAPAN