Apollo 15 measurement of lunar surface brightness temperatures thermal conductivity of the upper 1 1/2 meters of regolith
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The upper 2 cm of lunar soil consists of porous, low-conductivity material, with radiative heat transfer dominating over conductive heat transfer to the surrounding soil.
“The upper 2 cm consists of porous, low-conductivity material, with radiative heat transfer dominating over conductive heat transfer to the surrounding soil [15].”
From Optimal Design of High-Power Density Medium-Voltage Direct Current Bipolar Power Cables for Lunar Power Transmission (2024) · cites this paper as [15]
At a depth of 30 cm, the lunar subsurface temperature stabilizes around -23.15 °C, making it suitable for sub-surface applications.
“at 30 cm depth, it stabilizes around -23.15 • C, making it suitable for sub-surface applications [15,16].”
From Optimal Design of High-Power Density Medium-Voltage Direct Current Bipolar Power Cables for Lunar Power Transmission (2024) · cites this paper as [15]
The thermal conductivity of lunar soil is approximately 1.5 × 10^-5 W/(cm·K) at depths of 2 cm or less, increasing to 1.0-1.5 × 10^-4 W/(cm·K) from 2 to 15 cm.
“The thermal conductivity of the soil is approximately 1.5 × 10 -5 W/(cm•K) at depths of 2 cm or less, increasing to 1.0-1.5 × 10 -4 W/(cm•K) from 2 to 15 cm.”
From Optimal Design of High-Power Density Medium-Voltage Direct Current Bipolar Power Cables for Lunar Power Transmission (2024) · cites this paper as [15]
Cited by
Sorted by citations
Vasavada, A. R., Bandfield, J. L., Greenhagen, B. T., Hayne, P. O., Siegler, M. A., Williams, J., & Paige, D. A. (2012) · Journal of Geophysical Research: Planets · doi:10.1029/2011je003987 · Cited by 357 · see citing works
Wei, G., Li, X., & Wang, S. (2016) · Planetary and Space Science · doi:10.1016/j.pss.2016.01.013 · Cited by 14 · see citing works
- Authors
- Keihm, S. J., Peters, K., Langseth, M. G., & Chute, J. L.
- Affiliations
- Lamont-Doherty Earth Observatory (US)
- Lehman College (US)
- ORCID
- Keihm, S.J.
- Venue
- Earth and Planetary Science Letters
- Publisher
- Elsevier BV
- Published
- 1973-07
- Volume
- 19
- Issue
- 3
- Pages
- 337-351
- ISSN
- 0012-821X (ISSN-L)
- OpenAlex
- W2084025193
- Cited by
- 106
- References
- 0
- Citations by year
- 2026: 9 · 2025: 8 · 2024: 3 · 2023: 7 · 2022: 9 · 2021: 7 · 2020: 7 · 2019: 3 · 2018: 6 · 2017: 3 · 2016: 1 · 2015: 5 · 2014: 5 · 2013: 4 · 2012: 2
- FWCI
- 3.84
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Earth and Planetary Science Letters (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
- Physical Sciences › Engineering › Aerospace Engineering › Spacecraft Design and Technology
- Keywords
- lunar regolith, thermal conductivity, surface brightness temperature, Apollo 15, thermocouple temperature measurement, radiative-conductive heat transfer, lunar fines, Hadley Rille
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
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