Neptune is the planet furthest away from the Sun and is made up of the same kinds of gases found on Uranus. Methane is the gas that makes up most of the atmosphere on Neptune and gives it that ...

However, at Neptune’s surface, the gravity is only about 1.1 times the gravity we experience on Earth. In other words, if something weighed 100 pounds on Earth, you would find it weighs 110 pounds on ...