Neptune is too far from the Sun to be hot. At thirty times the distance the Earth is from the Sun, it is in the cold reaches of outer space and should just be a big ball of ice. Since it is not a big ball of ice as per scientists? belief 200 years ago, and in the outdated/obsolete theories of modern scientists, we must explain why it is hot. A simple explanation is provided: it is still cooling from earlier stages of metamorphosis.
Keywords: Neptune, Stellar metamorphosis, stars, planets, exoplanets, evolution