The Planets of Our Solar System
Note: the Sol <Roman Numeral> name gives the position of the planet in order outward from the Sun. Mercury (Sol I) is closest to the Sun and Neptune (Sol VIII) is farthest.
Mercury (Sol I)
Venus (Sol II) is being explored by Venus Express.
Earth (Sol III)
Mars (Sol IV) is now swarming with spacecraft from Earth.
Jupiter (Sol V)
Saturn (Sol VI)
Cassini and Huygens are now exploring Saturn.
Uranus (Sol VII)
Neptune (Sol VIII)
