4 The Movement of the Moon- Rotation and Revolution

Rotate

To spin around like a top.

Axis

An imaginary line that an object spins around.

Revolve

To move in a circle around something else, like a planet around the sun.

Gravity

The force that pulls objects toward each other; it's why we don't float away!

Solar Eclipse

When the Moon blocks the Sun's light, making it look dark during the day.

Moon

Earth's closest friend in space; it rotates and revolves.

Earth

The planet where we live, and it moves around the Sun.

Sun

The star that gives us light and heat.

Spacecraft

A vehicle designed to travel in space.

Far Side of the Moon

The side of the Moon that always faces away from Earth.

Soviet Luna Spacecraft

The first spacecraft to take pictures of the far side of the Moon.