Apollo 15 Samples Reveal Moon May Have Ancient Water

Why in news

Analysis of Apollo 15 lunar samples revealed volcanic glass beads containing trapped hydrogen, suggesting the Moon may have had ancient internal water.

Background

In 1971, Apollo 15 astronauts collected samples near the Apennine Mountains and Hadley Rille. In 2008, researchers at Brown University identified hydrogen in volcanic glass beads within these samples, indicating water presence in the lunar mantle.

Facts for Prelims

• S&TApollo 15: The third manned mission to the Moon, launched in 1971.
• FactHydrogen detection in lunar volcanic glass beads indicates ancient water presence.
• PlaceHadley Rille and Apennine Mountains: Key geological features on the Moon's surface.

For Mains

Q. Discuss how the discovery of water in the lunar mantle impacts future space exploration and the feasibility of establishing long-term lunar colonies.

Dimensions to cover in your answer

• resource availability
• lunar geology
• scientific significance
• future space missions

Keywords: lunar mantle · hydrogen detection · space exploration · geological evidence

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