The Lunar Regolith Structure and Electromagnetic Properties of Chang’E-5 Landing Site

Yuxi Li; Bin Zhou; Shaoxiang Shen; Wei Lu; Chuanjun Tang; Shidong Li; Yan Su; Shun Dai; Guangyou Fang

doi:10.3390/rs14184539

Remote Sensing (Sep 2022)

The Lunar Regolith Structure and Electromagnetic Properties of Chang’E-5 Landing Site

Yuxi Li,
Bin Zhou,
Shaoxiang Shen,
Wei Lu,
Chuanjun Tang,
Shidong Li,
Yan Su,
Shun Dai,
Guangyou Fang

Affiliations

Yuxi Li: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Bin Zhou: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Shaoxiang Shen: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Wei Lu: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Chuanjun Tang: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Shidong Li: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Yan Su: Key Laboratory of Lunar and Deep Space Exploration, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China
Shun Dai: Key Laboratory of Lunar and Deep Space Exploration, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China
Guangyou Fang: Key Laboratory of Electromagnetic Radiation and Sensing Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China

DOI: https://doi.org/10.3390/rs14184539
Journal volume & issue: Vol. 14, no. 18
p. 4539

Abstract

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On 1 December 2020, China’s Chang’E-5 (CE-5) probe successfully landed in the northeastern Oceanus Procellarum. This work mainly presents the results of Lunar Regolith Penetrating Radar (LRPR) equipped on the CE-5 Lander. The lunar regolith structure of the landing site from the surface to 3-m depth is unveiled by LRPR, which found that abundant rock fragments are distributed in uniform lunar regolith. The imaging result proved that the drilling and sampling process was prevented by big rocks at about 100 cm depth. On the basis of the response of lunar soil to electromagnetic (EM) wave, the EM properties of the landing site estimate that the relative dielectric constant and the loss tangent are 2.520 ± 0.186 and 0.0133 ± 0.0020, respectively.

Published in Remote Sensing

ISSN: 2072-4292 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science
Website: http://www.mdpi.com/journal/remotesensing/

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