They are giant - much larger than Earth - and they consist mainly of gas.
no they are made of gas. which is why they are called GAS giants
Jupiter,Saturn,Uranus and Neptune they are called gas giants because they are very big and they are made up of gas
Jupiter, Saturn, Uranus, and Neptune are Gas Giants, also called Jovian Planets .
They are called the gas giants.
Gas giants are called as such because they are generally the largest type of planet, and they consist mostly if not entirely of gases.
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"
Their rings.
gas giants
The outer planets are sometimes called Jovian Planets or gas giants or for Uranus and Neptune (Ice Giants)
They're called gas giants because of this fact.
The rocky inner planets are much smaller. That's why the giants are called giants.