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Size comparison of Neptune, Uranus, Sirius B, Earth and Venus

There are 8 planets in the Solar System, all of which orbit the Sun. The largest is Jupiter with a diameter of 139,822 kilometers, and the smallest is Mercury, which is smaller than the moons Ganymede and Titan. Pluto was the ninth planet in the Solar System until 2006 when it was newly categorized a dwarf planet.

List of planets[]

Below is a list of all the planets in the solar system. Each planet's orbital period in Earth years is also stated, along with the number of moons, an image of the planet, the distance between it and the Sun, its nickname and when it was discovered. 

Image Name Orbital period (years) Also referred to as Natural satellites Distance from the Sun (km) Discovered
Mercury Mercury 0.24 The Swift Planet 0 57 million
Venus Venus 0.62 Evening Star,
Morning Star,
Earth's Evil Twin
0 108 million
Earth Earth 1 The Blue Planet, The World 1 150 million (1 AU)
Mars Mars 2 The Red Planet 2 228 million
Jupiter Jupiter 11.86 The Red-Eyed Giant Planet 67 779 million
Saturn Saturn 29.46 The Ringed Planet 62 1.430 billion
Uranus voy2 Uranus 84.01 The Bull's Eye Planet 27 2.88 billion 13 March 1871
Neptune (1) Neptune 164.8 The Blue Planet, The Water Planet 14 4.5 billion 23 September 1846
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