The Big Thwack!
Lecture no. 16 from the course: The Origin and Evolution of Earth: From the Big Bang to the Future of Human Existence
Taught by Professor Robert M. Hazen | 31 min | Categories: The Great Courses Plus Online Science Course
Continue your investigation of the moon’s origin. The simplest theory that explains the evidence is the “big thwack” model. Study this scenario, which has all the drama of a disaster movie—with colliding planets and a giant moon filling Earth’s sky and then slowly receding over the course of billions of years.