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 :)
yes, uranus is a mostly gaseous planet.
Eris is made mostly of ice.
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.