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Concepts of the Small Body Sample Return Missions - the 1st 10 Million Year Evolution of the Solar System
Lin YT(林杨挺)1; Zhang, Yonghe2; Hu S(胡森)1; Xu, Yuchen3; Li, Shijie5; Yang W(杨蔚)1; Gao, Yang6; Li, Mingtao3; Yin, Qingzhu7; Lin, Douglas8,9; Ip, Wing10
Department空间自动化技术研究室
Source PublicationSpace Science Reviews
ISSN0038-6308
2020
Volume216Issue:4Pages:1-22
Indexed BySCI ; EI
EI Accession number20201708553484
WOS IDWOS:000529488100001
Contribution Rank4
Funding OrganizationStrategic Priority Research Program on Space Science, Chinese Academy of Sciences (XDA15020300) ; National Natural Science Foundation of China (41673069)
KeywordSolar system evolution Protoplanetary disk Asteroids Comets Sample return missions
Abstract

Each type of asteroids and comets are important, serving as the unique puzzle pieces of the solar system. The countless number of small bodies spread vastly from the near-Earth orbits to the main belt and beyond Jupiter. Thus, in order to complete the whole puzzle, and hence requires a well-designed roadmap of sample return (SR) missions and international coordination. The main consideration is the accreting locations of various types of asteroids, which may be referred through their redox status and abundances of water and volatile components. C-complex asteroids are water and volatile-rich, likely accreted in the outer solar system. Two C-complex asteroids are being explored by Hayabusa-2 and OSIRIS-REx missions, respectively. In contrast, enstatite chondrite-like asteroids formed under extremely reducing conditions in the inner solar system. The samples returned from enstatite chondrite-like asteroids will clarify the nebular processes in the zone closest to the Sun, and reveal fractionation of the solar nebula along the radial direction, via comparing with those of the C-complex asteroids. The exploration will also shed light on the bulk compositions of the Earth and terrestrial planets accreted in the same region of the inner solar system. The SR missions will focus on the first 10 Ma history of the solar system, including the initial condition, the nebular processes, and the accretion of planetesimals. Because the secondary processes that took place in planetesimals, such as thermal metamorphism, aqueous alteration, melting and differentiation, could largely erase the records of the nebular events, it is critically important to choose the primordial asteroid targets. Although C-complex asteroids accreted at low temperature in the outer solar nebula, they, especially those hydrated, could have suffered severe aqueous alteration as observed in CM chondrites. Other preferred targets are L-type asteroids, which probably contain abundant Ca-, Al-rich inclusions, the first solid assemblages of the solar system. Based on the roadmap of SR missions, we propose to return samples first from enstatite chondrite-like or L-type Near-Earth asteroids.

Language英语
WOS SubjectAstronomy & Astrophysics
WOS KeywordALUMINUM-RICH INCLUSIONS ; NEAR-EARTH OBJECTS ; NINGQIANG CARBONACEOUS CHONDRITE ; TAGISH LAKE METEORITE ; D-TYPE ASTEROIDS ; ORGANIC-MATTER ; REFRACTORY INCLUSIONS ; PRESOLAR GRAINS ; ISOTOPIC COMPOSITIONS ; SPECTROSCOPIC SURVEY
WOS Research AreaAstronomy & Astrophysics
Funding ProjectStrategic Priority Research Program on Space Science, Chinese Academy of Sciences[XDA15020300] ; National Natural Science Foundation of China[41673069]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/26744
Collection空间自动化技术研究室
Corresponding AuthorLin YT(林杨挺)
Affiliation1.Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
2.Innovation Academy for Microsatellites Chinese Academy of Sciences, Shanghai, China
3.National Space Science Center, Chinese Academy of Sciences, Beijing, China
4.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
5.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China
6.Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, China
7.University of California, Davis, United States
8.University of California, Santa Cruz, United States
9.Institute for Advanced Study, Tsinghua University, Beijing, China
10.Institute of Astronomy, National Central University, Taoyuan, Taiwan
Recommended Citation
GB/T 7714
Lin YT,Zhang, Yonghe,Hu S,et al. Concepts of the Small Body Sample Return Missions - the 1st 10 Million Year Evolution of the Solar System[J]. Space Science Reviews,2020,216(4):1-22.
APA Lin YT.,Zhang, Yonghe.,Hu S.,Xu, Yuchen.,Li, Shijie.,...&Ip, Wing.(2020).Concepts of the Small Body Sample Return Missions - the 1st 10 Million Year Evolution of the Solar System.Space Science Reviews,216(4),1-22.
MLA Lin YT,et al."Concepts of the Small Body Sample Return Missions - the 1st 10 Million Year Evolution of the Solar System".Space Science Reviews 216.4(2020):1-22.
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