Scientists say lunar poles lack water for permanent human cities
Scientists report that insufficient water reserves at the moon's poles prevent the construction of permanent human cities despite recent discoveries.
Water found in dark craters
Asteroid impacts brought water to the moon billions of years ago. This ice remains frozen in shadowed crater floors that have not seen direct sunlight for about 4 billion years. These cold traps keep temperatures below 110K, preventing the ice from sublimating away.
Current water estimates vary
Missions since 2013 have mapped locations containing possibly as much as 1 billion tons of water. Some reports suggest this amount equals 910 million tonnes based on detailed orbital mapping. The exact quantity remains a subject of ongoing scientific analysis.
Cities remain impractical now
Researchers conclude there is not enough water to support heavy industry or large settlements. While small villages might be practical, ambitions for major cities are currently unsustainable. The presence of ice changes survival logistics but does not enable urbanization.
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