Neptune is made of hydrogen,helium,molecular and a some ice.
it is verydense but not really dense
Neptunes rings are made up out of gas.
Hydrogen, Helium, Methane
Neptune is made up of mostly gas.
gasses small water vapor
hydrogen, methane, helium, ammonia
The Neptunes was created in 1990.
I believe it is thick, as it is made of gas............................
Neptune is made up of: 74% hydrogen, 25% helium and 1% methane.
neptunes gravity is high
hydrogen and helium
It was discovered in 1846.