Neptune: The Mysterious Planet Neptune, the eighth and most distant planet in our solar system, is one of the most intriguing and mysterious celestial bodies. Let's delve into this distant gas giant and uncover its secrets: Basic Facts about Neptune: Orbit and Distance: Distance from the Sun: Neptune is about 4.5 billion kilometers away from the Sun. Orbital Period: It takes Neptune approximately 165 Earth years to complete one orbit around the Sun. Size and Composition: Size: Neptune is the fou