inner planets. Mercury,Earth,Venus,Mars.Mer- cury is the closest planet to the sun.Earth is the only planet with life.Venus is the second planet to the sun.Mars is the fourth planet to the sun.

                               outer planet

Pluto is the ninth planet from the sun.URANUS is the seventh planet to the sun.NEPTUNE is the eighth planet to the sun.JUPITER is the fifth planet to the sun.SATURN is the sixth planet to the sun.