Moon Mineralogy Mapper Confirmed Water Ice at Both Lunar Poles in 2018
Updated
Updated · spacedaily.com · Jun 25
Moon Mineralogy Mapper Confirmed Water Ice at Both Lunar Poles in 2018
2 articles · Updated · spacedaily.com · Jun 25
Summary
A 2018 analysis of NASA’s Moon Mineralogy Mapper data found multiple confirmed water-ice deposits in permanently shadowed lunar regions, with stronger signals near the south pole.
Those deposits can survive because some polar crater floors never receive sunlight, creating ultra-cold traps where water delivered by impacts or formed through solar-wind chemistry can remain frozen.
The finding built on earlier but less decisive evidence from Clementine and Lunar Prospector, then on 2009 LCROSS and Lunar Reconnaissance Orbiter results that detected water ice in material blasted from Cabeus crater.
Water ice matters because it could supply drinking water, oxygen and hydrogen-oxygen propellant for future crews, reducing how much mass must be launched from Earth.
NASA still frames the ice as a promising resource rather than ready infrastructure, since extraction in dark, frigid, rugged craters remains technically difficult and could disturb scientifically valuable ancient volatile records.
Is lunar ice a priceless scientific archive of our solar system, or is it simply rocket fuel for the future?
With lunar ice valued in the trillions, what new rules will govern who owns the Moon's most valuable resource?
Lunar Water Ice: Evolving Science, Extraction Technologies, and the Global Race for Sustainable Space Exploration (2023–2026)
Overview
Since 2023, scientists have gained a deeper understanding of lunar water ice by refining earlier estimates and exploring its origins. Recent studies show there is less ice in the Moon’s permanently shadowed regions than once thought, but these areas remain extremely cold, allowing water ice to stay stable. New high-quality images from advanced lunar missions have helped map these dark regions more precisely. This evolving knowledge is crucial for future lunar exploration, as it guides mission planning and resource use, supporting the goal of sustainable human presence and scientific discovery on the Moon.