Solar system Artwork of the eight planets orbiting the Sun upper centre as seen from near the orbit of Saturn lower right The orbits of the planets are shown as blue lines Distances and sizes are not to scale In their order from the Sun the planets are Mercury Venus Earth Mars the small rocky inner planets Jupiter centre right Saturn Uranus and Neptune the outer gas giant planets Uranus and Neptune are at upper left As of August Pluto not shown is a Dwarf planet The asteroid belt between Mars and Jupiter is also seen and the Milky Way galaxy is in the background