A few facts about Neptune
Neptune is the eighth planet from the Sun Mass of Neptune is 1.024x10 26 kg . Neptune is 4.4765 billion kms away from the Sun. It completes one revolution in 165 years and one rotation is 16 hours . It is one of the gaseous giants of our solar system. Neptune is inferior to Uranus and exterior to Saturn. Voyager 2 was the spacecraft that marked the beginning of Neptune exploration in 1989. Neptune is named after the Roman god of sea, Poseidon .