Earth and Mars versus Mercury and the Moon
Lecture no. 21 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
Search for the reason that Earth and Mars have far greater mineral diversity than Mercury and Earth’s moon. Probe clues such as tiny zircon crystals that are the oldest surviving minerals on Earth. From this evidence, assemble a story of Earth’s global ocean and a time when the entire planet froze over.