Jupiter
rock not gas
Neptune is mostly made of gas. Also, Neptune has rings and clouds. BY: jill the queen of awesome
Gas, mostly Hydrogen and Helium.
Because it is made mostly out of gas and the clouds around it are gas too :)
Eris is made mostly of ice.
yes, uranus is a mostly gaseous planet.
It is mostly rock.
The planet Saturn is almost entirely made of gas. It is not for nothing that it is known as a gas giant.
Pluto is a solid planet. Pluto is made mostly of ice, although the core is most likely rock with metal in it.
Because the planet is made of mostly gas.
Mercury is a rocky planet.It's actually a rock because it is one of the inner planets that are all made of rock.The planet Mercury is a dense, rocky, airless world.
Mars is a rocky planet with very little atmosphere.