The Origin and Evolution of the Moon: Academic Graduate-level Course
Sept 5 - Dec 19, 2018
Lunar Polar Ice Reveals Tilting Axis of Earth’s Moon
Ancient lunar ice indicates the moon’s axis slowly shifted by ~125 miles, or ~6 degrees, over ~1 billion years.
There are two high tides and two low tides every day on every ocean beach on Earth, because of the moon's pull.