China's Mars Exploration Mission and Science Investigation----Institute of Geochemistry Chinese Academy of Sciences

China's first Mars exploration mission (HuoXing-1) has been named as 'Tianwen-1' meaning Heaven Inquiry. Tianwen-1 was launched on July 23, 2020. In this paper, the scientific objectives of earlier and current Mars exploration missions worldwide are reviewed, and the scientific objectives, payloads and preliminary scientific investigation plan of China's first Mars exploration mission are introduced, and expected scientific achievements are analyzed.

Publication name	SPACE SCIENCE REVIEWS Volume: 217 Issue: 4 Article Number: 57 DOI: 10.1007/s11214-021-00832-9 Published: JUN 2021
Author(s)	Li, Chunlai; Zhang, Rongqiao; Yu, Dengyun; Dong, Guangliang; Liu, Jianjun; Geng, Yan; Sun, Zezhou; Yan, Wei; Ren, Xin; Su, Yan; Zuo, Wei; Zhang, Tielong; Cao, Jinbin; Fang, Guangyou; Yang, Jianfeng; Shu, Rong; Lin, Yangting; Zou, Yongliao; Liu, Dawei; Liu, Bin; Kong, Deqing; Zhu, Xinying; Ouyang, Ziyuan
Corresponding author(s)	LI Chunlai; LIU Jianjun licl@nao.cas.cn; liujj@nao.cas.cn -Chinese Acad Sci, Natl Astron Observ, Key Lab Lunar & Deep Space Explorat, Beijing 100101, Peoples R China. -Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Author(s) from IGCAS	OUYANG Ziyuan