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.
At the very center of Neptune is the planetâs core. The core of Neptune is made of iron, nickel and other silicates that make up about 1.2 times the mass of the Earth. We have written many stories about Neptune on Universe Today. Hereâs an article about how there could be oceans inside Neptune.