Our Moon periodically moves through the magnetic tail of the Earth that contains terrestrial ions of hydrogen and oxygen. A possible density contrast might have been discovered that could be consistent with the presence of water phase of potential terrestrial origin. Using novel gravity aspects (descriptors) derived from harmonic potential coefficients of gravity field of the Moon, we discovered gravity strike angle anomalies that point to water phase locations in the polar regions of the Moon. Our analysis suggests that impact cratering processes were responsible for specific pore space network that were subsequently filled with the water phase filling volumes of permafrost in the lunar subsurface. In this work, we suggest the accumulation of up to ~ 3000 km3 of terrestrial water phase (Earth's atmospheric escape) now filling the pore spaced regolith, portion of which is distributed along impact zones of the polar regions of the Moon. These unique locations serve as potential resource utilization sites for future landing exploration and habitats (e.g., NASA Artemis Plan objectives).

Astronomical Institute Czech Academy of Sciences Fričova 298 251 65 Ondřejov Czech Republic

Faculty of Civil Engineering Czech Technical University Prague 166 29 Praha 6 Czech Republic

Faculty of Mining and Geology VSB TU Ostrava 708 33 Ostrava Czech Republic

Geophysical Institute University of Alaska Fairbanks 903 N Koyukuk Drive Fairbanks AK 99709 USA

Institute of Hydrogeology Engineering Geology and Applied Geophysics Faculty of Science Charles University 12843 Prague Czech Republic

Research Institute of Geodesy Topography and Cartography 250 66 Zdiby 98 Czech Republic

Water and Environmental Research Center Institute of Northern Engineering University of Alaska Fairbanks 1764 Tanana Loop Fairbanks AK 99775 USA

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