Moon Phases
Impacts with asteroids, comets, and other space objects has left these on the moon.
What are craters?
This is the length of time it takes for the moon to rotate.
What is 27.3 days?
This is the length of time it takes for the moon to revolve.
What is 27.3 days?
Theory of our moon's creation.
What is Collision Theory?
The reason we only see one side of the moon from Earth.
What is the moon's rotation and revolution are the same (both 27.3 days)?