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Lunar samples solve mystery of the moon's supposed magnetic shield
lunar magnetic field magnetization lunar soil
2021/8/9
Tests of glass samples gathered on Apollo missions show magnetization may result from impacts of objects like meteors, not as a result of magnetization from the presence of a magnetic shield.
Scientists to Map Out Earth's Soil--New tool will help explain and solve world’s greatest environmental threats（图）
Earth's Soil world’s greatest environmental threats
2009/12/10
New York, February 17, 2009 — Some of the answers to the world’s greatest challenges -- such as climate change, food security, and water scarcity -- lie right beneath our feet. Responding to these and...