Jets Downstream of Collisionless Shocks: Recent Discoveries and Challenges.

IF 9.1 2区 物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS
Space Science Reviews Pub Date : 2025-01-01 Epub Date: 2024-12-27 DOI:10.1007/s11214-024-01129-3
Eva Krämer, Florian Koller, Jonas Suni, Adrian T LaMoury, Adrian Pöppelwerth, Georg Glebe, Tara Mohammed-Amin, Savvas Raptis, Laura Vuorinen, Stefan Weiss, Niki Xirogiannopoulou, Martin Archer, Xóchitl Blanco-Cano, Herbert Gunell, Heli Hietala, Tomas Karlsson, Ferdinand Plaschke, Luis Preisser, Owen Roberts, Cyril Simon Wedlund, Manuela Temmer, Zoltán Vörös
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引用次数: 0

Abstract

Plasma flows with enhanced dynamic pressure, known as magnetosheath jets, are often found downstream of collisionless shocks. As they propagate through the magnetosheath, they interact with the surrounding plasma, shaping its properties, and potentially becoming geoeffective upon reaching the magnetopause. In recent years (since 2016), new research has produced vital results that have significantly enhanced our understanding on many aspects of jets. In this review, we summarise and discuss these findings. Spacecraft and ground-based observations, as well as global and local simulations, have contributed greatly to our understanding of the causes and effects of magnetosheath jets. First, we discuss recent findings on jet occurrence and formation, including in other planetary environments. New insights into jet properties and evolution are then examined using observations and simulations. Finally, we review the impact of jets upon interaction with the magnetopause and subsequent consequences for the magnetosphere-ionosphere system. We conclude with an outlook and assessment on future challenges. This includes an overview on future space missions that may prove crucial in tackling the outstanding open questions on jets in the terrestrial magnetosheath as well as other planetary and shock environments.

射流下游的无碰撞冲击:最近的发现和挑战。
具有增强的动态压力的等离子体流,被称为磁鞘射流,经常在无碰撞冲击的下游发现。当它们通过磁鞘传播时,它们与周围的等离子体相互作用,形成其特性,并可能在到达磁层顶时变得有效。近年来(自2016年以来),新的研究取得了重要成果,大大提高了我们对喷气机许多方面的理解。在这篇综述中,我们总结和讨论这些发现。宇宙飞船和地面观测,以及全球和局部模拟,对我们理解磁鞘喷流的原因和影响做出了巨大贡献。首先,我们讨论了最近关于喷流发生和形成的发现,包括在其他行星环境中。然后使用观察和模拟来检查对射流特性和演化的新见解。最后,我们回顾了喷流对磁层顶相互作用的影响以及随后对磁层-电离层系统的影响。最后,我们对未来的挑战进行了展望和评估。这包括对未来太空任务的概述,这可能对解决关于地球磁鞘以及其他行星和冲击环境中的喷气机的悬而未决的问题至关重要。
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来源期刊
Space Science Reviews
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
60
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.
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