Frontier of Planetary Science Revealed by Terahertz Wave Observations in Deep-space Explorations
Frontier of Planetary Science Revealed by Terahertz Wave Observations in Deep-space Explorations
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深空探测中太赫兹波观测揭示的行星科学前沿
DOI：
10.11440/rssj.37.351
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
Paul Hartogh
中科院分区：
文献类型：
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作者：
黒田剛史;佐川英夫;関根康人;笠井康子;Paul Hartogh
太赫兹波已经被用来通过观测大气分子和表面的物理性质来对地球和行星科学有新的和/或更好的了解，但利用航天器上太赫兹仪器的观测进入深空在行星科学领域的应用仍处于起步阶段。在这篇综述文章中，我们描述了Rosetta/Miro的科学成就，它是用于观测67P/Churyumov-Gerasimenko彗星核的深空航天器上的第一台太赫兹仪器，将发射观测木星及其结冰卫星的UUCE/SWI预期的科学成就，以及对未来火星轨道器上太赫兹仪器的期望。考虑到这些成就和期望，我们讨论了由深空航天器上的太赫兹仪器所进行的观测所允许的行星科学的扩展。
Terahertz waves have been utilized for new and/or better understandings of the earth and planetary sciences through observations of atmospheric molecules and the physical properties of surfaces, but applications in the field of planetary science using observations from terahertz instruments on board spacecraft going into deep space are still at the initiation stage. In this review paper, we describe the scientific achievements of Rosetta/MIRO, which was the first terahertz instrument on board a deep-space spacecraft for the observation of the nucleus of comet 67P/Churyumov-Gerasimenko, the expected scientific achievements of JUICE/SWI, which will be launched to observe Jupiter and its icy satellites, and expectations for a future terahertz instrument on a Mars orbiter. Keeping in mind these achievements and expectations, we discuss the expansion of planetary science allowed by the observations made by terahertz instruments on board deep-space spacecraft.