These are the four outer gas giant planets; Jupiter, Saturn, Uranus and Neptune.
Jupiter, Saturn, Uranus, and Neptune
There aren't any
Gas giants, such as Jupiter and Saturn, are composed mainly of gases such as hydrogen and helium. These planets lack solid surfaces and have dense atmospheres that extend deep into their interiors. Their cores are believed to be small and surrounded by layers of gas.
Terrestrial planets have terra firma, a.k.a. hard ground. The gas giants are giant balls of gas.
Inner planets are mostly rock and outer planets are mostly gas.
Nptune is made mostly out of gas
No, those are the outer planets.
Jupiter, Saturn, Uranus, and Neptune
because they are made of mostly metal and rock while the bigger planets are mostly made of gas
They consist mostly of gas.
The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars. The four outer gas giant planets are Jupiter, Saturn, Uranus and Neptune.
Because they are mostly made out of gas and they are big or giant