globalchange  > 科学计划与规划
DOI: 10.1002/2016GL071094
论文题名:
Transport of solar wind plasma onto the lunar nightside surface
作者: Vorburger A.; Wurz P.; Barabash S.; Futaana Y.; Wieser M.; Bhardwaj A.; Dhanya M.B.; Asamura K.
刊名: Geophysical Research Letters
ISSN: 0094-8494
EISSN: 1944-8225
出版年: 2016
卷: 43, 期:20
起始页码: 10586
结束页码: 10594
语种: 英语
英文关键词: energetic neutral atoms ; lunar nightside ; lunar surface charging ; lunar wake ; plasma transport ; solar wind
Scopus关键词: Atoms ; Electric fields ; Solar wind ; Wakes ; Energetic neutral atoms ; Lunar nightside ; Lunar surface ; Lunar wakes ; Plasma transport ; Moon
英文摘要: We present first measurements of energetic neutral atoms that originate from solar wind plasma having interacted with the lunar nightside surface. We observe two distinct energetic neutral atom (ENA) distributions parallel to the terminator, the spectral shape, and the intensity of both of which indicate that the particles originate from the bulk solar wind flow. The first distribution modifies the dayside ENA flux to reach ∼6° into the nightside and is well explained by the kinetic temperature of the solar wind protons. The second distribution, which was not predicted, reaches from the terminator to up to 30° beyond the terminator, with a maximum at ∼102° in solar zenith angle. As most likely wake transport processes for this second distribution we identify acceleration by the ambipolar electric field and by the negatively charged lunar nightside surface. In addition, our data provide the first observation indicative of a global solar zenith angle dependence of positive dayside surface potentials. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84991737595&doi=10.1002%2f2016GL071094&partnerID=40&md5=ed6eced6e499bf927bcff202b6c6c578
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9457
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Physikalisches Institut, University of Bern, Bern, Switzerland

Recommended Citation:
Vorburger A.,Wurz P.,Barabash S.,et al. Transport of solar wind plasma onto the lunar nightside surface[J]. Geophysical Research Letters,2016-01-01,43(20).
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