Neptune is made up of hydrogen, helium, and methane all of which are gasses, but at its center is an Earth sized core made of ice
Neptune has five rings made out of small rocks and dust
Neptune is the coldest planet in our solar system
Neptune is the smallest of the gas giants, but it is still 4 times larger than Earth
Neptune's surface gravity is similar to Earth's
Neptune has winds that travel up to 2,100km/hr which are the strongest winds in our solar system