All about the galaxy

Most of Neptune's atmosphere is composed of hydrogen and helium with a little bit of methane. This mix of elements gives Neptune its unique blue color. Just like a similar mix, it also gives Uranus a blue-ish tint. Neptune is one of the windiest worlds in our Solar System. Neptune's atmosphere is made up of hydrogen, helium and methane. The methane in Neptune's upper atmosphere absorbs the red light from the sun but reflects the blue light from the Sun back into space. The density of Neptune is 1.638 g/cm3. Just to give you some comparison, the density of water is 1 g/sm3. In other words, if you had a bathtub big enough, Neptune would sink into it. This is different for Saturn, which has a density of less than 1. Giant. Neptune is about four times wider than Earth. Eighth Wanderer. Neptune orbits our Sun, a star, and is the eighth planet from the Sun at a distance of about 2.8 billion miles (4.5 billion kilometers).Short Day, Long Year. Neptune is an Ice Giant. Neptune is Gassy. Neptune has 14 Moons. Neptune has very Faint Rings.In a rocket, it takes one voyage there. Those are the facts about saturn.