The orbital period(year) 165 Earth years,the length of day is about 16.1 Earth hours.
The average distance from the sun is 4,450 to 4,540 miles.
Neptune was the god of the sea in Roman mythology, approximately equivalent to the Greek god Poseidon.
the temperature on Neptune,it ranges to -223 to -220 degrees Celsius.
ancient Roman religion and mythology, Neptune was the god of the sea. He was originally a god of freshwater, but after the Romans identified him with the Greek sea god Poseidon, he took on Poseidon’s characteristics
Neptune’s wife, Salacia, may originally have been the goddess of spring water
The Romans celebrated Neptune’s festival, called the Neptunalia, on July 23, in the heat of summer when water was scarcest
Like Poseidon, Neptune is usually shown in art as a bearded man holding a trident (a fishing spear)
Created with images by Melissa A. N. (Model) - "The Solar System Planets" • NASA Hubble - "Hubble Sees New Dark Spot on Neptune" • Hubble Space Telescope / ESA - "Artist impression of Gliese 436b" • Royalty-free image collection - "solar_system" • NASA Hubble - "Hubble Witnesses Massive Comet-Like Object Pollute Atmosphere of a White Dwarf" • Lunar and Planetary Institute - "Giant Planets #2" • WikiImages - "neptune planet solar system" • topquark22 - "Uranus" • Image Editor - "01 The Solar System PIA10231, mod02" • bobfamiliar - "Jupiter" • crackdog - "A Plan of the Solar System Exhibiting it's Relative Magnitudes and Distances. 1835"