期刊
ICARUS
卷 407, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.icarus.2023.115771
关键词
The Moon; Lunar regolith; Lunar surface; Remote sensing
Surface temperature measurements of airless bodies can be used to estimate regolith thermal properties. This study applies an ensemble of thermal model calculations to lunar nighttime surface temperatures in order to constrain the mean particle size of near-surface regolith materials.
Surface temperature measurements of airless bodies provide an opportunity to estimate regolith thermal properties via inverse modeling. However, thermal models involve many unknown parameters. Here an ensemble of thermal model calculations is applied to lunar nighttime surface temperatures in order to constrain the mean particle size of near-surface regolith materials. We find that many parameter combinations can produce the same surface temperatures, but a likely apparent grain size can be inferred without ad-hoc assumptions for other parameter values as long as grain size is among the leading causes for geographic variations in temperature.
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