Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
Neptune's atmosphere, like Jupiter's and Saturn's, is composed primarily of hydrogen and helium, along with traces of hydrocarbons and possibly nitrogen; it contains a higher proportion of ices such as water, ammonia, and methane.
The atmosphere of Neptune is similar to all the large planets in the Solar System; it mostly consists of hydrogen and helium, with trace amounts of methane, water, ammonia and other ices. But unlike the other gas planets in the Solar System, Neptuneâs atmosphere has a larger proportion of the ices.Itâs the methane in the planetâs upper atmosphere that give it its bright blue color. Neptune, captured by Voyager.ut unlike the other gas planets in the Solar System, Neptuneâs atmosphere has a larger proportion of the ices. Itâs the methane in the planetâs upper atmosphere that give it its bright blue color. Neptune, captured by Voyager.