Concept of the solar ring mission: An overview
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https://doi.org/10.1007/s11431-020-1603-2
Concept of the solar ring mission: Overview WANG YuMing1,2* , JI HaiSheng3, WANG YaMin4,5, XIA LiDong6, SHEN ChengLong1,2, GUO JingNan1,2, ZHANG QuanHao1,2, HUANG ZhengHua6, LIU Kai1,2, LI XiaoLei1,2, LIU Rui1,2, WANG JingXiu7 & WANG Shui1,2 1 CAS
Key Laboratory of Geospace Environment, School of Earth and Space Sciences, University of Science and Technology of China (USTC), Hefei 230026, China; 2 CAS Center for Excellence in Comparative Planetology, USTC, Hefei 230026, China; 3 Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210034, China; 4 CAS Key Lab of Microsatellite, Innovation Academy for Microsatellites, Chinese Academy of Sciences, Shanghai 201203, China; 5 Shanghai Engineering Center for Microsatellites, Shanghai 201203, China; 6 Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China; 7 Univeristy of Chinese Academy of Sciences, Beijing 100049, China Received February 25, 2020; accepted April 14, 2020; published online May 13, 2020
The concept of the Solar Ring mission was gradually formed from L5/L4 mission concept, and the proposal of its pre-phase study was funded by the National Natural Science Foundation of China in November 2018 and then by the Strategic Priority Program of Chinese Academy of Sciences in space sciences in May 2019. Solar Ring mission will be the first attempt to routinely monitor and study the Sun and inner heliosphere from a full 360-degree perspective in the ecliptic plane. The current preliminary design of the Solar Ring mission is to deploy six spacecraft, grouped in three pairs, on a sub-AU orbit around the Sun. The two spacecraft in each group are separated by about 30◦ and every two groups by about 120◦ . This configuration with necessary science payloads will allow us to establish three unprecedented capabilities: (1) determine the photospheric vector magnetic field with unambiguity, (2) provide 360-degree maps of the Sun and the inner heliosphere routinely, and (3) resolve the solar wind structures at multiple scales and multiple longitudes. With these capabilities, the Solar Ring mission aims to address the origin of solar cycle, the origin of solar eruptions, the origin of solar wind structures and the origin of severe space weather events. The successful accomplishment of the mission will advance our understanding of the star and the space environment that hold our life and enhance our capability of expanding the next new territory of human. space mission concept, solar cycle, solar eruptions, solar wind, space weather Citation:
Wang Y M, Ji H S, Wang Y M, et al. Concept of the solar ring mission: Overview. Sci China Tech Sci, 2020, 63, https://doi.org/10.1007/s11431-0201603-2
1 Introduction As the development of technology, the boundary of human explorations was and is being constantly expanded, from continents, oceans, sky to space and even other planets. In near future,
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