Top 5 Biggest Planets


Walk outside and have a look around. That is your world and it appears quite BIG, right? Now, realize that you are just looking at a small piece of Earth, and that the entire Earth is so small that 1,321 of them could fit into Jupiter! Feeling a little smaller now huh? Check out our Top 5 Biggest Planets list for more cool facts about some of our solar systems largest places.

1) Jupiter

Jupiter planet
  • Mass is 2.5 times that of all the other planets in the Solar System combined
  • About 1/10 the radius of the Sun
  • Theoretical models indicate that if Jupiter had much more mass than it does at present, it would shrink (due to increased pressure)
  • Radius: 69,911 km / 43,441 miles
  • 1,120% the size of Earth

2) Saturn

Saturn planet
  • Probably composed of a core of iron–nickel and rock
  • Has a ring system with nine continuous main rings and three discontinuous arcs and is mostly composed of ice particles
  • 62 moons are known to orbit Saturn
  • Radius: 58,232 km / 36,184 miles
  • 945% the size of Earth

3) Uranus

Uranus planet
  • One of the Ice Giants because of its icy composition
  • Coldest planetary atmosphere in the Solar System
  • Has a ring system, a magnetosphere, and numerous moons
  • Radius: 25,362 km / 15,759 miles
  • 400% the size of Earth

4) Neptune

Neptune planet
  • Farthest planet from the Sun in the Solar System
  • Among the gaseous planets in the Solar System, Neptune is the most dense
  • In contrast to the relatively featureless atmosphere of Uranus, Neptune's atmosphere has active and visible weather patterns
  • Radius: 24,622 km / 15,299 miles
  • 388% the size of Earth

5) Earth

Earth planet
  • Largest of the Solar System's four terrestrial planets
  • The only astronomical object known to accommodate life
  • Composed mostly of iron, oxygen, silicon, magnesium, sulfur, nickel, calcium, and aluminium
  • Radius: 6,371 km / 3,959 miles
  • Densest planet in the Solar System

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