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Thermal Conductivity of the Martian Regolith at the InSight Landing Site from HP3 Active Heating Experiments

Grott, Matthias and Spohn, Tilman and Knollenberg, Jörg and Krause, Christian and Nagihara, S. and Morgan, P. and Piqueux, S. and Müller, Nils and Golombek, M. and Murphy, J. and Siegler, M.A. and King, S.D. and Vrettos, C. and Hudson, T.L. and Smrekar, S. and Banerdt, B. (2021) Thermal Conductivity of the Martian Regolith at the InSight Landing Site from HP3 Active Heating Experiments. 52nd Lunar and Planetary Science Conference 2021, Mrz 2021, Online.

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Official URL: https://www.hou.usra.edu/meetings/lpsc2021/pdf/1237.pdf


The InSight Mars mission landed in Homestead hollow in the Elysium Planitia region of Mars at 4.50°N, 135.62°E on Nov. 3rd, 2018. The Heat Flow and Physical Properties Package (HP3) is part of the InSight payload and is designed to emplace sensors into the martian regolith to measure regolith thermal conductivity and the geothermal gradient in the 0-5 m depth range [2]. Due to unexpected soil properties, the lander’s robotic arm needed to assist in probe emplacement. We estimate the mole’s back-cap to be 2-3 cm below the surface during the measurement, and since the mole is 40 cm long and inclined 30° with respect to vertical, he mole tip is likely at 37 cm depth.

Item URL in elib:https://elib.dlr.de/141826/
Document Type:Conference or Workshop Item (Poster)
Title:Thermal Conductivity of the Martian Regolith at the InSight Landing Site from HP3 Active Heating Experiments
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Grott, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0002-8613-7096UNSPECIFIED
Morgan, P.Colorado School of Mines, Golden, USAUNSPECIFIEDUNSPECIFIED
Piqueux, S.jet propulsion laboratory, california institute of technology (pasadena, ca, 91109)UNSPECIFIEDUNSPECIFIED
Müller, NilsUNSPECIFIEDhttps://orcid.org/0000-0001-9229-8921UNSPECIFIED
Golombek, M.jet propulsion laboratory, pasadena, ca, usahttps://orcid.org/0000-0002-1928-2293UNSPECIFIED
Murphy, J.virginia institute of technology, blacksburg, va, usaUNSPECIFIEDUNSPECIFIED
Siegler, M.A.Southern Methodist University, Dallas, Texas, USAUNSPECIFIEDUNSPECIFIED
King, S.D.virginia institute of technology, blacksburg, va, usaUNSPECIFIEDUNSPECIFIED
Vrettos, C.Division of Soil Mechanics and Foundation Engineering, Technical University of Kaiserslautern, Kaiserslautern, GermanyUNSPECIFIEDUNSPECIFIED
Hudson, T.L.Jet Propulsion Laboratory, Caltech, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Smrekar, S.Jet Propulsion Laboratory, California Institute of Technology, PasadenaUNSPECIFIEDUNSPECIFIED
Banerdt, B.Jet Propulsion Laboratory, USAUNSPECIFIEDUNSPECIFIED
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:InSight Heat Flow Mars Geophysics
Event Title:52nd Lunar and Planetary Science Conference 2021
Event Location:Online
Event Type:international Conference
Event Dates:Mrz 2021
Organizer:Lunar and Planetary Institute
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project InSight - HP3
Location: Berlin-Adlershof , Köln-Porz
Institutes and Institutions:Institute of Planetary Research
Institute of Planetary Research > Planetary Physics
Institute of Materials Physics in Space > Institute of Space Simulation > User center for space experiments (MUSC)(only for search)
Deposited By: Grott, Dr.rer.nat. Matthias
Deposited On:19 Apr 2021 10:55
Last Modified:29 Mar 2023 00:48

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