What is the largest planet in our solar system?

Jupiter is the largest planet in our solar system. It is a gas giant composed mainly of hydrogen and helium and has a diameter of about 142,984 kilometres.

Jupiter is more than 11 times wider than Earth and has a mass greater than that of all the other planets combined. It is known for its Great Red Spot, a massive storm that has been raging for centuries, and it has dozens of moons, including the four large Galilean moons: Io, Europa, Ganymede, and Callisto.