Francesca+Neptune

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What is the mass of planet? Neptune is about 17 times as heavy as Earth.

What is the diameter of Neptune? The diameter is 30,775 miles or 49,528 kilometers around the equator.

What is the distance from the sun? Neptune average distance from the sun is 2,793,100,000 miles or 4,495,060,000 kilometers

How big is neptune compared to the sun? The Sun is 28 times wider than Neptune.

What is the average temperature of Neptune? The average temperature of Neptune is about 55 Kelvin. (That's -218 degrees Celsius)

How did Neptune get its name? Neptune was named after the Roman god of the sea. They decided on the name because of Neptune's blue color

Is Neptune visible from earth?When? Neptune is the one planet that can't be seen from earth without a telescope.

What is Neptune's period of revolution It takes 165 Earth years to revolve around the sun.

What is Neptune's period of rotation? It takes Neptune 16 hours and 7 minutes to rotate once.

When was your planet discovered? By whom? Neptune was dicovered in September 23, 1846, by Johann Gotfried Galle

Does the palnet have an atmosphere? What is it made of? Neptune's atmosphere is composed of Hydrogen, Helium, and Methane.

Does your planet have moons?How many? Name some.

Neptune has 8 moons. Some of these moons are Triton, Proteus, Larissa, Nereid, Galatea, Naiad, Thalassa, and Despina.

What is Neptunes average temperature? The **t**emperature of Neptune is usually around -162° Celcius or -260° Fahrenheit

What are the planets surface materials? Thick clouds cover Neptune's surface, winds blow these clouds about 700 miles per hour.Though Neptunes is partly made up by silicates Neptune is not a solid.

Does Neptune have rings how many what are they made of? Neptune has four rings (3 noticable rings and 1 Unnoticable ring.) The composition of the rings is unknown.

Does your planet have any defining characteristics? Neptune has several storms. The largest one being the great dark spot it is the size of Earth. It is made of cirrus clouds that are composed of frozen methane.

Interesting facts: Neptune tilts 47 degrees on its axis of rotation.