Solar system planets and Sun,artwork. The Sun (pink,background) makes up over 99 percent of the mass of the solar systems. The eight planets and Pluto (not longer a planet) are shown here in their order from the Sun from top to bottom. At upper left,the four small,rocky planets of the inner solar system are: Mercury,Venus,Earth and Mars. The four large,gas giant planets of the outer solar system are: Jupiter,Saturn,Uranus,and Neptune. Pluto (top right) is a dwarf planet of rock and ice that orbits at the outer edges of the solar system. Distances not to scale |