Directional Scientific Objectives of the Interstellar Express Mission

LI Hui; YANG Zhongwei; WANG Chi; GUO Xiaocheng; JIANG Wence; WANG Yuxian; BALIUKIN Igor I.

doi:10.3724/j.issn.2096-9287.2025.20250031

Journal of Deep Space Exploration ›› 2025, Vol. 12 ›› Issue (5) :489 -502. DOI: 10.3724/j.issn.2096-9287.2025.20250031

Topic: Key Technology of Solar Systerm Boundary Exploration

Directional Scientific Objectives of the Interstellar Express Mission

LI Hui^1,2, YANG Zhongwei¹, WANG Chi^1,2, GUO Xiaocheng^1,2, JIANG Wence¹, WANG Yuxian¹, BALIUKIN Igor I.³

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Abstract

In this paper, the main scientific objectives, observational requirements, and expected scientific returns of boundary exploration missions in different directions, such as the heliospheric nose and tail, were briefly introduced; the current research status at home and abroad was reviewed, including ongoing and proposed missions and their scientific payload configurations; several major scientific questions related to heliospheric physics, the interstellar medium, and solar system evolution in different directions were summarized. Finally prospects for China’s future scientific development in independent boundary exploration were presented.

Keywords

edge of the solar system / solar system evolution / heliosphere / interstellar space

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LI Hui, YANG Zhongwei, WANG Chi, GUO Xiaocheng, JIANG Wence, WANG Yuxian, BALIUKIN Igor I.. Directional Scientific Objectives of the Interstellar Express Mission. Journal of Deep Space Exploration, 2025, 12(5): 489-502 DOI:10.3724/j.issn.2096-9287.2025.20250031