Category
page 1Geophysical imaging
ground-penetrating radar
geophysical method
seismic tomography
technique for imaging the subsurface of the Earth with seismic waves produced by earthquakes or explosions

Mars Advanced Radar for Subsurface and Ionosphere Sounding
thumb|400px|Illustration of Mars Express with MARSIS antenna deployed
Magnetotellurics
thumb|Magnetotelluric station
electrical resistivity tomography
geophysical technique for imaging sub-surface structures
geophysical survey
the results, digital or printed, of non-invasive physical sensing techniques used for archaeological imaging or mapping
Radar Imager for Mars' Subsurface Experiment
The '''Radar Imager for Mars' subsurface experiment (RIMFAX''') is a ground-penetrating radar on NASA's Perseverance rover, part of the Mars 2020 mission. It uses radar waves to see geologic features under the surface.
magnetic survey
measuring of distortions of the earth's magnetic field