Origin of the Moon | The Royal Society

The origin of Earth’s moon has fascinated mankind for thousands of years and has received scientific attention for over forty years, building on the return of rocks from the moon and the growing understanding of planet formation. The central idea of a giant impact on Earth is widely accepted and physically appealing but the constraints imposed by isotopic geochemistry, in particular, have proved daunting. Alex Halliday talks about an issue he has organised for Philosophical Transactions A that summarises the current state of our understanding and the challenges that still remain.

Credits: The Royal Society.

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