This Solar System montage of planetary imagery taken by spacecraft managed by the Jet Propulsion Laboratory in Pasadena, CA. Included are (from head to foot) images of Mercury, Venus, Earth (and Moon), Mars, Jupiter, Saturn, Uranus and Neptune. The spacecraft accountable for these metaphors are as follows the Mercury picture was taken by Mariner 10, the Venus illustration by Magellan, the Earth image by Galileo, the Mars image by Viking, and the Jupiter, Saturn, Uranus and Neptune picture by Voyager.
The inner planets are Mercury, Venus, Earth, Moon, and Mars are roughly to scale to each other the external planets (Jupiter, Saturn, Uranus, and Neptune) are roughly to scale to each other. Actual diameters are listed below: Sun 1,390,000 km Mercury 4,879 km Venus 12,104 km Earth 12,756 km Moon 3,475 km Mars 6,794 km Jupiter 142.984 km Saturn 120,536 km Uranus 51,118 km Neptune 49,528 km Pluto 2,390 km