It is mostly hydrogen, helium, water and silicates.
There is no such thing as a "surfaceinterior".
80% hydrogen, 18.5% helium, and 1.5% methane.
The Neptunes was created in 1990.
Neptunes rings are made up out of gas.
neptunes gravity is high
Neptune is made up of mostly gas.
Neptune is made up of: 74% hydrogen, 25% helium and 1% methane.
hydrogen and helium
It was discovered in 1846.
gas
Hera & Zeus
triton