go ask someone i don't know
Because of its composition. Neptune is made up of water more than any other substance.
No, Its composition is varied but we believe it does contain a lot of water.
your mother
It has ice rock and hydrogen
neptune was made in 1425
No planet is the same as Neptune. Uranus is similar in size, but is quite different in its composition.
Scientists believe that Neptune is made up chiefly of hydrogen, helium, water, and silicates.
Neptune is made out of ice
you have to times it's mass
The farthest currently recognized planet is Neptune, which is a gas giant primarily made of hydrogen and helium.
Neptune does not have a known twin in our solar system. Its closest "twin" in terms of size and composition would be Uranus, which is a similar ice giant planet.
What do you mean with "land mass"? Neptune doesn't have continents like Earth. It is a gas giant - made up mainly of gas.