The planet Neptune

Neptune is the eighth planet from the sun. The planet is named after the sea god Neptune from the Roman myologi. In 2006 it was decided that Pluto were not a planet and then Neptune became the last planet in the solar system. Uranus is another planet similar to Neptune, both are made of hydrogen, helium and methane. Neptune was discovered by Johann Gottfried Galle the year 1846. The planet has a blue color because the atmosphere contains much methane.

 (The earht)         (Neptune)                      The symbol