Neptune is the eighth planet from the sun it is also the coldest planet. Neptune is the third largest planet in the solar system. Neptune's name comes from the God of sea , Poseidon. The name Neptune comes from Greek mythology. Neptune takes 165 years to orbit the sun.
Neptune was discovered by three men; Urbain Le Verrier, Johann Gottfried Galle and John Couch Adams. They discovered it on the 23rd of September in 1846. Neptune was discovered using ingenious maths and he also used Isaac Newton's law of gravity to predict the position of Neptune. It took Urbain Le Verrier a long time to study Neptune but he got the help of Gottfried Galle and John Couch.
Neptune has 14 moons the biggest moon on Neptune is called Triton. Triton was the first moon to be discovered by a English Astronomer, William Lassell on the 10 of October 1846. Triton is the only moon to orbit opposite Neptune's rotation. This moon is called a retrograde.
Neptune is the coldest planet in our Solar System because it is very far away from our sun so that means that Neptune doesn't get as much radiation and heat from the sun. Neptune has a lot of strong and cold winds. The temperature on Neptune is -214 Degrees Celsius to 353 Degree Celsius.
Neptune is the coldest planet and it was discovered by three men Urbain Le Verrier, Gottfried Galle and John Couch using mathematics. The biggest moon on Neptune is Triton, Triton is the only moon that rotates the opposite direction of Neptune.