AN OBJECT THAT MOVES AROUND ANOTHER OBJECT IN SPACE.

THE PATH THAT AN OBJECT TAKES AROUND ANOTHER OBJECT IN SPACE.

THE NATURAL SATELLITE THAT ORBITS A PLANT.

THE DIFFERENT SHAPES OF THE MOON CYCLE AS IT MOVES AROUND EARTH.

IS THE DECREASE IN THE MOON'S LIGHT.

IS THE INCREASE IN THE MOON'S LIGHT.

THE MOVEMENT OF AN OBJECT AROUND THE SUN.

THE TIME IT TAKES AN OBJECT TO MOVE OR REVOLVE ONCE AROUND THE SUN..

THE IMAGINARY LINE THAT RUNS FROM POLE TO POLE ON A PLANET

THE SPINNING MOVEMENT OF AN OBJECT ON ITS AXIS

THE TIME IT TAKES FOR AN OBJECT TO MAKE ONE COMPLETE TURN OR ROTATION ON ITS AXIS.