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Scientific objectives and payloads of Tianwen-1, China's first Mars exploration mission

  • Yongliao Zou*
  • , Yan Zhu
  • , Yunfei Bai
  • , Lianguo Wang
  • , Yingzhuo Jia
  • , Weihua Shen
  • , Yu Fan
  • , Yang Liu
  • , Chi Wang
  • , Aibing Zhang
  • , Guobin Yu
  • , Jihong Dong
  • , Rong Shu
  • , Zhiping He
  • , Tielong Zhang
  • , Aimin Du
  • , Mingyi Fan
  • , Jianfeng Yang
  • , Bin Zhou
  • , Yi Wang
  • Yongqing Peng
*Corresponding author for this work
  • CAS - National Space Science Center
  • CAS - Institute of Optics and Electronics
  • CAS - Changchun Institute of Optics Fine Mechanics and Physics
  • CAS - Shanghai Institute of Technical Physics
  • University of Science and Technology of China
  • Chinese Academy of Sciences
  • China Electronics Technology Group Corporation
  • CAS - Xi'an Institute of Optics and Precision Mechanics
  • CAS - Aerospace Information Research Institute
  • Beijing Research Institute of Telemetry

Research output: Contribution to journalArticlepeer-review

Abstract

This paper describes the scientific objectives and payloads of Tianwen-1, China's first exploration mission to Mars. An orbiter, carrying a lander and a rover, lifted-off in July 2020 for a journey to Mars where it should arrive in February 2021. A suite of 13 scientific payloads, for in-situ and remote sensing, autonomously commanded by integrated payload controllers and mounted on the orbiter and the rover will study the magnetosphere and ionosphere of Mars and the relation with the solar wind, the atmosphere, surface and subsurface of the planet, looking at the topography, composition and structure and in particular for subsurface ice. The mission will also investigate Mars climate history. It is expected that Tianwen-1 will contribute significantly to advance our scientific knowledge of Mars.

Original languageEnglish
Pages (from-to)812-823
Number of pages12
JournalAdvances in Space Research
Volume67
Issue number2
DOIs
StatePublished - 15 Jan 2021
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 13 - Climate Action
    SDG 13 Climate Action

Keywords

  • China's first Mars exploration
  • Scientific payloads
  • Scientific tasks

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