Axis- The imaginary pole through it that an object in space spins around.

Eclipse- An eclipse is when one astronomical body blocks light.

Gravitational Pull- Gravity pulling objects to a center of gravity.

Lunar Eclipse- The Earth is in between the Sun and the moon, causing only light reflected from the Earth’s atmosphere to reach the moon.

Orbit- The egg-shaped or circular path a space object takes around another object.

Revolution- The complete circular motion a space object makes around another object.

Rotation- Spinning around the axis.

Satellite- A small object or body that orbits a bigger one.

Solar Eclipse- The Moon is in between the Sun and the Earth, casting a shadow on the Earth.

Tide- The alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.

Tilt- The skewed angle that a space object leans while on its axis.