it is actually a simple answer. they are all huge planets (4 to 5 times earths size) that are completely composed of gas
they are called the "gas giants"
no they are made of gas. which is why they are called GAS giants
The farthest 4 planets are called outer planets, gas giants, or Jovian planets. They are:JupiterSaturnUranusNeptune
They are called the gas giants.
In the solar system we have 4 rocky planets and 4 gas giants. The gas giants consist of mainly CO2 and SO2
Gas giants are called as such because they are generally the largest type of planet, and they consist mostly if not entirely of gases.
The outer planets are sometimes called Jovian Planets or gas giants or for Uranus and Neptune (Ice Giants)
gas giants
Gas Giants
They're called gas giants because of this fact.
Jupiter, Saturn, Uranus, and Neptune are Gas Giants, also called Jovian Planets .
The inner planets are the first 4 planets from the sun, they are made of rock. After the in er planets is an asteroid belt. Behind the belt are the 4 outter planets. They are made of gas and are called "gas giants". These are called outter planets.