Results 1 to 10 of about 108,539 (309)
Detection of the Lunar Surface Soil Permittivity with Megahertz Electromagnetic Wave [PDF]
In this paper, the detection of the lunar surface soil permittivity with megahertz electromagnetic (EM) waves by spaceborne radar is studied based on the EM scattering theory, the Boltzmann–Shukla equations, and the improved scattering matrix method ...
Qingwen Rao, Guanjun Xu, Wangchen Mao
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Recent progress in lunar dust migration and biological toxicity research
Lunar dust is easy to transport both vertically and horizontally, which affects the lunar surface material distribution, and the dusty plasma environment near the lunar surface.
Xiaoping Zhang +4 more
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MR. FIRSOFF'S clarification of ‘lunavoes’ is very helpful, and I must apologize for having confused his explanation of rays with Spurr's explanation of radial gullies. My argument against the presence of water applies equally to ice and snow, which would be dissociated by solar ultra-violet radiation in the vapour phase.
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Global Hall MHD Simulations of the Solar Wind Implantation Flux on the Lunar Surface
The solar wind can directly interact with the lunar surface and provide an important source for surface space weathering and water generation. Here we study the solar wind implantation flux on the lunar surface with global Hall MHD simulations.
Lianghai Xie +8 more
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Dust electrostatic migration is one of the primary causes of dust events on the surface of airless celestial bodies, which can result in multiple dust phenomena, including lunar horizon glow and dust pools, and also offer crucial insights into the ...
Hong Gan +7 more
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Reachable set analysis of practical trans-lunar orbit via a retrograde semi-analytic model
Different from the Apollo flight mode, a safer trans-lunar flight mode for the crews is preferred. The previous-arrived lunar module rendezvouses with the crew exploration vehicle at a low lunar destination orbit, and then the crews ride the lunar module
Bo-yong He, Sheng-gang Wu, Heng-nian Li
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The Influence of Heterogeneity on Lunar Irradiance Based on Multiscale Analysis
The Moon is a stable light source for the radiometric calibration of satellite sensors. It acts as a diffuse panel that reflects sunlight in all directions, however, the lunar surface is heterogeneous due to its topography and different mineral content ...
Xiangzhao Zeng, Chuanrong Li
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New Lunar Crater Production Function Based on High-Resolution Images
The lunar crater production function describes the general pattern of the size–frequency distribution of craters on the lunar surface, and it is the foundation of the surface dating method via crater counting.
Jianan Liu +4 more
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Learning-Based End-to-End Path Planning for Lunar Rovers with Safety Constraints
Path planning is an essential technology for lunar rover to achieve safe and efficient autonomous exploration mission, this paper proposes a learning-based end-to-end path planning algorithm for lunar rovers with safety constraints.
Xiaoqiang Yu, Ping Wang, Zexu Zhang
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Lunar surface mechanical properties [PDF]
The surface material at the Surveyor 5 site is granular and slightly cohesive. Spacecraft footpads plowed trenches in this material as the spacecraft slid during landing. For a compressible soil model, a static bearing capacity of 2.7 newtons/cm^2 gave best agreement with the observations.
Christensen, E. M. +11 more
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