Neptune (planet)
...stem. Neptune's distance from the sun is 4,497,000,000 km (2,749,000,000 mi) The length of a day on Neptune is 18 hours and 24 minutes. The length of a year on Neptune is 164.8 Earth years. Neptune has 8 satellites that revolve around the planet, 6 of them were discovered by Voyager 2 giving Neptune a total of 8 moons. Neptune also has five rings that surround it there are 2 bright narrow rings and three fainter ones that are fuzzier sheets of orbiting materials. Another interesting fact is that, in a large telescope the planet appears as a small blue disk. The best pictures of Neptune from earth show discrete bright clouds and a bright haze over the South Pole of the planet. The temperature on Neptune is predicted to be about -228ºc or -378ºf. The Planet was discovered during 1845 and 1846 by an Englishman John Couch Adams and the Frenchman Urbain Jean Joseph Leverrier when unknown to each other, they independently calculated where...