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Overview of the Latest Scientific Achievements of Chang’E-4 Mission of China’s Lunar Exploration Project

CHEN Yuesong TANG Yuhua FAN Yu YAN Jun WANG Chi ZOU Yongliao

CHEN Yuesong, TANG Yuhua, FAN Yu, YAN Jun, WANG Chi, ZOU Yongliao. Overview of the Latest Scientific Achievements of Chang’E-4 Mission of China’s Lunar Exploration Project. Chinese Journal of Space Science, 2022, 42(4): 519-535 doi: 10.11728/cjss2022.04.yg30
Citation: CHEN Yuesong, TANG Yuhua, FAN Yu, YAN Jun, WANG Chi, ZOU Yongliao. Overview of the Latest Scientific Achievements of Chang’E-4 Mission of China’s Lunar Exploration Project. Chinese Journal of Space Science, 2022, 42(4): 519-535 doi: 10.11728/cjss2022.04.yg30

Overview of the Latest Scientific Achievements of Chang’E-4 Mission of China’s Lunar Exploration Project

doi: 10.11728/cjss2022.04.yg30
Funds: Supported by National Key Research and Development Program of China (2020YFE0202100)
More Information
  • Figure  1.  Route map of the Yutu-2 rover

    Figure  2.  Comparison of crater depth-to-diameter ratios between (a) small craters (>0.1 m) at Chang’E-4 landing site; and (b) large craters (>1 km) in the SPA basin; (c) box-and-whisker plot of crater depth-to-diameter ratios

    Figure  3.  SLDEM2015 and topographic profiles of the context of the Chang’E-4 landing site

    Figure  4.  Relative permittivity derived for the top-most (about 4 cm thick) regolith along the path of Yutu-2 in the first 12 lunar days

    Figure  5.  Spectrophotometric measurements of lunar regolith by the Yutu-2 rover

    Figure  6.  Temperature at the Chang’E-4 landing site

    Figure  7.  Images and reflectance spectra of the targeted small crater

    Figure  8.  Centimeter-sized glass globules collected by the Apollo 16 missions (a) (b) and those observed by the Chang’E-4 mission (c) (d). Note that the Apollo 16 mission was landed in the lunar highland, but the landing region was dominated by distal ejecta from the nearside. (e) (f) The two globules are accompanied by similar-sized fragments excavated by fresh impact craters nearby

    Figure  9.  LPR data at 500 MHz. (a) LPR 500-MHz radargram represented in standard seismic colors after applying Dewow, background subtraction, and Spherical and Exponential Compensation (SEC) gain and migration. (b) Tomographic reconstruction of the radar data, where red represents high reflectivity and blue is low reflectivity. (c) Schematic of the stratigraphic sequence highlighting the contacts between units and the relevant thicknesses based on the radargram and the tomographic reconstruction

    Figure  10.  Low-frequency LPR profile along the track of the Yutu-2 rover

    Figure  11.  Temporal evolution of the radiation environment on the Moon as measured by LND on Chang’E-4 during the first and second lunar days after Chang’E-4 landed

    Figure  12.  Velocity dispersion analysis of the SEPs on 6 May 2019 (electrons shown in the left and protons shown in the right panel). Wind and ACE electron data are used to determine the electron release time

    Figure  13.  Radio emission levels on surface of the Moon

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  • 收稿日期:  2022-07-05
  • 网络出版日期:  2022-07-20

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