AST-111beginner

Formation & Geology of the Moon: Foundations

The leading model for the Moon's origin is a giant impact early in Solar-System history, followed by accretion of orbiting debris around Earth. The Moon preserves a record of early Solar-System impacts that has largely been erased on Earth.

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Formation & Geology of the Moon: Foundations

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AST-110Axial Tilt, Seasons & Precession: Advanced Connections→

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AST-112Formation & Geology of the Moon: Structures & Vocabulary→

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The leading model for the Moon's origin is a giant impact early in Solar-System history, followed by accretion of orbiting debris around Earth.

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A giant collision can eject mantle-rich material into Earth orbit while leaving much of the colliding bodies' metal in their cores.

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