Subjects: THERMAL conductivity; ENTHALPY; SOILS
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Subjects: PHYSICAL geology; SOIL mechanics; SOLAR cells
Subjects: SEISMIC wave velocity; GROUND motion; SEISMOMETERSUNITED States. National Aeronautics & Space Administration
Subjects: LAVA; BEDROCK; GEOPHYSICAL instruments
Subjects: MARTIAN surface; SURFACE properties; REGOLITH
Subjects: MARTIAN exploration; MARTIAN environmental conditions; MARTIAN heat flow
Subjects: MARTIAN exploration; SEISMIC wave velocity; MARTIAN geology