Neptune is the eighth planet away from the Sun. It is 4.5 billion km. away from the Sun. Neptune is a very big planet. The Neptune was the first planet located through mathematical calculations and discovered by Jonahn gale in 1846. Poseidon, the god of the sea, gave his name to the planet. The astronomer Gabriel Brotoun found a hydrogen and methane in the planets atmosphere. Length of a year
Neptune’s orbit around the Sun takes one hundred sixty five years.
Length of a day
One day on Neptune only lasts about sixteen hours
Seasons
Neptune has seasons like Earth, lasting about fourty years each.
Moons
Neptune has fourteen moons. The two largest are Triton and Nereida.
