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Moon Shielding Was Critical to Earth’s Ability to Maintain Its Atmosphere – SciTechDaily

Earth and Moon Once Shared a Magnetic Shield, Protecting Their Atmospheres Four-and-a-half billion years ago, Earth’s surface was a menacing, hot mess. Long bef…

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The Earth and Moon, shown here in a composite of two images from the Galileo mission of the 1990s, have a long shared history. Billions of years ago, they had connected magnetic fields. Credit: NASA/JPL/USGS
Earth and Moon Once Shared a Magnetic Shield, Protecting Their Atmospheres
Four-and-a-half billion years ago, Earth’s surface was a menacing, hot mess. Long before the emergence of life, temperatures were scorching, and the air was toxic. Plus, as a mere toddler, the Sun bombarded our plan…

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