Neptune Solar System Facts

Solar system facts tell us that the most inner planets mercury venus earth and mars are mostly made up of rock and metal.

Neptune solar system facts.

It flew past in 1989 on its way out of the solar system. This eventually formed the planets and other bodies of the solar system. Nasa s voyager 2 is the only spacecraft to have visited neptune up close. Neptune s surface gravity is almost earth like.

Neptune is named after the roman god of the sea and is one of the fascinating planets in the solar system the planet was the last to be discovered as it was not visible to the naked eye. Neptune is a ball of gas and ice probably with a rocky core. Neptune is the most distant of the solar system s eight planets. The credit for the discovery of the planet was given to le verrier a french mathematician and john adams an english mathematician who had both predicted the existence of a planet x.

The solar system was formed approximately 4 6 billion years ago by the collapse of a giant molecular cloud the mass at its centre collected to form the sun and a flat disk of dust around it. Explore neptune in depth. In 2011 neptune completed its first 165 year orbit since its discovery in 1846. Find out about the blue world s orbit which of neptune s moons is the largest and how the planet is home to the most severe.

The solar system consists of the sun planets dwarf planets moons and numerous smaller objects such as comets and asteroids.