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 E-Mail IMAGE: High-resolution chemical analyses with secondary ion mass spectroscopy showed the abundance of water left in silicate melt after compressing with liquid iron metal. view more  Credit: © 2021 Tagawa et al. High-temperature and high-pressure experiments involving a diamond anvil and chemicals to simulate the core of the young Earth demonstrate for the first time that hydrogen can bond strongly with iron in extreme conditions. This explains the presence of significant amounts of hydrogen in the Earth s core that arrived as water from bombardments billions of years ago. Given the extreme depths, temperatures and pressures involved, we are not physically able to probe very far into the earth directly. So, in order to peer deep inside the Earth, researchers use techniques involving seismic data to ascertain things like composition and density of subterranean material. Something that has stood out for as long as these kinds of measurements have been taking pl

Bunkyo kuShunpei yokooYasuo ohishiRohan mehraKei hiroseShoh tagawaJohn hernlandNaoya sakamotoHisayoshi yurimotoNature communicationsDepartment of earthUniversity of tokyoSchool of scienceDivision for strategic public relationsPlanetary scienceProfessor kei hirose