![Image credit: NASA/LPI, [Apollo 12 KREEP sample 12013]](https://www.lpi.usra.edu/planetary_news/wp-content/uploads/2018/04/Earth-Moisture1.png)
Image credit: NASA/LPI, [Apollo 12 KREEP sample 12013]
Regolith samples brought back from the Moon during the Apollo missions have since been curated at NASA’s Johnson Space Center. While a previous study suggested moisture from the Earth’s atmosphere may have compromised the integrity and characteristics of those lunar soil samples, a new systematic analysis led by the late Larry Taylor concludes that Apollo-era lunar soil samples have not been physically compromised over the last four decades.
Disintegration of lunar samples over time: A test