Physical Properties, Location and Movement of Neptune
Photos of Neptune reveal a blue planet, and it is called an ice giant, since it has a thick, gooey liquid mix of water, ammonia and methane ices under its atmosphere and is roughly 17 times Earth's mass.
Ammonia is the chemical used in Windex and methane is a type of illegal drug so if we inhale any one of those it could be harmful.
Neptune is very far from the sun, which means it gets little sunlight to help warm its atmosphere. Neptune's winds can reach up to 1,500 miles per hour the fastest detected in the solar system. These winds were a part of a large dark storm . The storm is large enough to hold the entire Earth, and the storm moved westward at nearly 750 miles per hour. This storm seemed to have disappeared when the Hubble Space Telescope later searched for it. Hubble has also revealed the appearance and then fading of two other Great Dark Spots over the last decade.