tides

NASA

By the end of our lives, most of us will have witnessed nearly 1,000 full moons. So perhaps the appearance of yet another one this week will not strike us as anything special.

The Tidal Dance of the Earth and the Moon

We learn in grade school that the Moon, our nearest neighbor in space, causes tides on the Earth’s oceans. It does so through its gravitational attraction to the Earth. But the gravitation interplay between Earth and Moon has other, subtler effects as well.