Sentences with phrase «penetrating radar equipment»
By stitching together data gathered by ice - penetrating radar equipment suspended from aircraft, researchers have discovered a massive canyon that has likely been hidden for millions of years.
http://www.sciencemag.org/ Not exact matches
The physical excavation (video) of Silbury Hill, along with studies using ground - penetrating radar and seismic sonar equipment, has shown that there is not a single human bone in the mound.