How long does it take for the Moon to orbit the Earth?

What is the surface of the Moon mostly covered with?

Who was the first person to walk on the Moon?

The Moon is Earth's only what?

What is the Moon mostly made of?

Why does the same side of the Moon always face Earth?

What do we call a second full moon in a month?

What is the average distance from Earth to the Moon?

Does the Moon have water?

What is the Moon’s official scientific name?