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Goodnight moon

Students will calculate the angular momentum and density of the moon and consider the implications of the results for various theories of the moon's origin.

Probing moon formation

These questions focus on ideas about the origin of Earth's moon and evidence that supports various explanations of its formation.

Spacetime ripples found at last

These questions focus on gravitational waves, gravitational wave detectors and how observing gravitational waves can improve our understanding of the universe.