In Photos: Solar System View our solar system's eight planetary bodies from the comfort of Earth with these incredible images. of 8 Mercury Mercury is the smallest and innermost of the eight planets in our Solar System. Venus Venus is one of four terrestrial planets and is the second from the sun. Earth Earth is the third planet from the Sun, and the only body known to support life. Mars The red planet Mars is named after the Roman god of war. Jupiter Jupiter is one of the gas giants and by far the largest planet in our Solar System. Saturn The ringed Saturn is one of the large gas giants located towards the edge of the solar system. Uranus Uranus is one of the four gas giants and is the seventh planet from the Sun. Neptune Neptune is named after the Roman god of the sea. Slideshow Pause Show Images Hide Images Tweet