Order:
8

Neptune (Latin: Neptunus) is the 8th planet from the the Sun. It is a large ice giant in the outer solar system, and is the 4th largest planet in the Solar System, as well as the furthest planet from the Sun. Neptune takes a long 165 years to orbit the Sun, although its days only last ~16 hours. Astronomer johann-galle was the person who discovered Neptune, using his telescope, in September 1846. Neptune has 16 moons, with Triton being the largest and most well known moon.