neptune's atmosphere is mainly composed of nitrogen, helium, and methane.
Neptune is mostly made of gas. Also, Neptune has rings and clouds. BY: jill the queen of awesome
Neptune is mostly gas.
Neptune is made up of mostly gas.
Nptune is made mostly out of gas
Yes, Neptune is made out of gas. Every planet after the asteroid belt is made of gas, and every one before is made of rock. Hope I Helped!! ¿?¿?¿?¿?¿?¿?¿?
no because it is made of gas
it is made up of mostly gas
Made of gas
Yes. Neptune is made entirely of deadly gasses.
Neptunes rings are made up out of gas.
Neptune is made of ice and gas
No because it is a gas planet meaning that it is made entirely of gas.