Neptune
By Elizabeth Gutierrez Cruz
Discovery of Neptune
Neptune was discovered in 1846 before Neptune was discovered ,astronomers were finding that the planet Uranus did not go where they thought it should ,as it moved among the stars .some of them decided unknown planets must be affecting Uranus orbit .John Galle searched in these planets with a telescope ,and he found Neptune .
Neptune
Neptune is the third massive planet in the solar system .
Roman God of the sea
Because of Neptune blue color ,the planet Neptune was Named after the Roman god of the sea .
The Rotation of Neptune
Neptune rotation on its axis once every 16.11 earth hours ,this a very fast spin for such a large planet .
Neptune
Neptune has one large moon and at least 12 small moons . The large moon is called Triton .Neptune has only been visited by one spacecraft ,the space probe voyager 2,in1989 . The space probe took photographs of Neptune and gathered information about it. The Hubble space telescope also given useful information about Neptune .
Axis of Neptune
An inmaginary line through the middle of an object ,from top to bottom.
Equator
An inmaginary line around the middle of the globe .
Irregular
Not even shape
Revolution
Neptune revolution around the sun in an almost perfect circle .It takes 164.79 Earth years to orbit the sun once ,and this is the length of neptune years .The sun's strong gravity keeps Neptune revolving around it .Because it axis is tilted ,Neptune has four seasons as it revolves around the sun .Each season is about 41years long . Astronomers have not found changes on Neptune that are caused by the seasons .
Diameter
The distance across.
Stars
Huge balls of glowing gas I'm space .
Moons.
A natural body which circles around a planet or another body .
Revolves
Travels around another body.
Rotation
Spins
Pole
The top and bottom of the globe .