Neptune

Mass

1.024 × 10^26 kg

Neptune is 3.9 times bigger. Now mass. The mass of Neptune is 1.02 x 1026 kg. If you wanted to write it out, it would be 102,000,000,000,000,000,000,000,000 kg. Neptune has 17 times as much mass compared to the Earth.

It takes Neptune 164.8 Earth years to orbit the Sun. ...

How long does it take to rotate

one day: 15 hours, 57 minutes, and 59 seconds

Size

15,299 mi

Compared to earth

Neptune is the 4th largest planet in the Solar System, after Jupiter, Saturn, and Uranus. It's much larger than the terrestrial planets: Mercury, Venus, Earth and Mars. The diameter of Neptune is 49,500 km.

How long does it take to orbit

165 years

The atmosphere of Neptune is similar to all the large planets in the Solar System; it mostly consists of hydrogen and helium, with trace amounts of methane, water, ammonia and other ices. But unlike the other gas planets in the Solar System, Neptune's atmosphere has a larger proportion of the ices.

-218 degrees Celsius

14 moons

Sao

Galatea

Triton

S/2004 N 1

Thalassa

Naiad

Laomedeia

Proteus

Larissa

Psamathe

Nereid

Despina

Neso

Halimede

from earth threw a tele scope

why I picked this planet

I like this planet cause neptune is blue and it is a book that i like which is the son of Neptune

 the weather is cold I like cold things. Neptune means the god of water in Greek and I like Poseidon.

One space craft

August,25 1989


In the summer of 1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune, its final planetary target. Passing about 4,950 kilometers (3,000 miles) above Neptune's north pole, Voyager 2 made its closest approach to any planet 12 years after leaving Earth in 1977.

4 interesting facts

Neptune was discovered by Jean Joseph Le Verrier. ...

Neptune is the Roman God of the Sea. ...

Neptune has the second largest gravity of any planet in the solar system – second only to Jupiter.

It has 5 rings

Universetoday.com

http://voyager.jpl.nasa.gov/science/neptune.html

https://simple.m.wikipedia.org/wiki/List_of_Neptune%27s_moons

https://www.reference.com/science/high-low-temperatures-neptune-b518231aeef1533e

Space.com

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Neptune Devan

by 222010

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Public - 9/27/16, 6:05 PM