Future Exploration of the Outer Heliosphere and Very Local Interstellar Medium by Interstellar Probe.

IF 9.1 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Space Science Reviews Pub Date : 2023-01-01 Epub Date: 2023-02-28 DOI:10.1007/s11214-022-00943-x

P C Brandt, E Provornikova, S D Bale, A Cocoros, R DeMajistre, K Dialynas, H A Elliott, S Eriksson, B Fields, A Galli, M E Hill, M Horanyi, T Horbury, S Hunziker, P Kollmann, J Kinnison, G Fountain, S M Krimigis, W S Kurth, J Linsky, C M Lisse, K E Mandt, W Magnes, R L McNutt, J Miller, E Moebius, P Mostafavi, M Opher, L Paxton, F Plaschke, A R Poppe, E C Roelof, K Runyon, S Redfield, N Schwadron, V Sterken, P Swaczyna, J Szalay, D Turner, H Vannier, R Wimmer-Schweingruber, P Wurz, E J Zirnstein

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Abstract

A detailed overview of the knowledge gaps in our understanding of the heliospheric interaction with the largely unexplored Very Local Interstellar Medium (VLISM) are provided along with predictions of with the scientific discoveries that await. The new measurements required to make progress in this expanding frontier of space physics are discussed and include in-situ plasma and pick-up ion measurements throughout the heliosheath, direct sampling of the VLISM properties such as elemental and isotopic composition, densities, flows, and temperatures of neutral gas, dust and plasma, and remote energetic neutral atom (ENA) and Lyman-alpha (LYA) imaging from vantage points that can uniquely discern the heliospheric shape and bring new information on the interaction with interstellar hydrogen. The implementation of a pragmatic Interstellar Probe mission with a nominal design life to reach 375 Astronomical Units (au) with likely operation out to 550 au are reported as a result of a 4-year NASA funded mission study.

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星际探测器对外日球层和极局部星际介质的未来探索。

详细概述了我们在了解日光层与基本未探索的甚地星际介质（VLISM）之间的相互作用方面存在的知识差距，并预测了等待我们的科学发现。讨论了在这一不断扩大的空间物理学前沿领域取得进展所需的新测量方法，包括对整个日光鞘进行原位等离子体和拾取离子测量，对甚地星际介质的特性（如元素和同位素组成、密度、流动以及中性气体、尘埃和等离子体的温度）进行直接采样，以及从有利位置进行远距离高能中性原子（ENA）和莱曼-阿尔法（LYA）成像，从而能够独特地辨别日光层的形状，并带来有关与星际氢相互作用的新信息。美国航天局资助的一项为期四年的飞行任务研究报告了实用星际探测器飞行任务的执行情况，其名义设计寿命为375天文单位，可能运行到550天文单位。

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来源期刊

Space Science Reviews 地学天文-天文与天体物理

CiteScore

19.70

自引率

3.90%

发文量

审稿时长

4-8 weeks

期刊介绍： Space Science Reviews (SSRv) stands as an international journal dedicated to scientific space research, offering a contemporary synthesis across various branches of space exploration. Emphasizing scientific outcomes and instruments, SSRv spans astrophysics, physics of planetary systems, solar physics, and the physics of magnetospheres & interplanetary matter. Beyond Topical Collections and invited Review Articles, Space Science Reviews welcomes unsolicited Review Articles and Special Communications. The latter encompass papers related to a prior topical volume/collection, report-type papers, or timely contributions addressing a robust combination of space science and technology. These papers succinctly summarize both the science and technology aspects of instruments or missions in a single publication.