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Data sets Publications Expeditions Thesaurus
terrestrial comp  search
terrestrial comparison  search
RTEarth
 extraterrestrial geology
 interplanetary comparison
 Moon
 natural analogs
 planetology
 planets
SNUsed to indicate a comparison between the Earth and an extraterrestrial body or material. Also search interplanetary comparison AND Earth. Before 1981, also search terrestrial materials. Added to Thesaurus in 1982.