Neptune is named after the Roman God of

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Neptune is named after the Roman God of the Sea. • Neptune was the

Neptune is named after the Roman God of the Sea. • Neptune was the first planet found by mathematical prediction. • Unexpected changes in the orbit of Uranus led astronomers to deduce that its orbit was subject to a gravitational pull by the planet Neptune. • Galileo first observed Neptune on December 28, 1612, and again on January 27, 1613.

• Life on Neptune would be impossible • There is no oxygen found

• Life on Neptune would be impossible • There is no oxygen found • Neptune has extreme storms. • The Great Dark Spot is a Giant Anti-Cyclonic Store • Neptune is covered by clouds and is very windy. • Winds can range 20 m/s to 325 m/s • It has the strongest sustained winds of any planet • Neptune is very cold. • It is -200 degrees Celcius • The interior of Neptune is consists of ice and rock

Distance from the Sun Neptune is the 8 th planet from the Sun. From

Distance from the Sun Neptune is the 8 th planet from the Sun. From the earth, Neptune is approximately 4. 4 billion kilometers away Neptune is 4, 496 kilometers, or 2, 794 million miles, away from the sun

• The South pole is 10 degrees warmer than the rest of the

• The South pole is 10 degrees warmer than the rest of the planet. • Neptune has rings that are made of dust particles • The blue color of Neptune is from Methane gas • Neptune is 17 times the mass of the Earth • Neptune can never be seen by the Naked Eye • Voyager’s closest visit was in August 25, 1989

Composition: More than half of Neptune is Hydrogen 80%, there is 19%of helium, and

Composition: More than half of Neptune is Hydrogen 80%, there is 19%of helium, and 1. 5%of methane there is a very Small amount of Hydrogen Deuderide (HD) and Ethane (C 2 H 6)

• Neptune has 13 moons. • The moons are: Triton, Thalassa, Naiad, Despina,

• Neptune has 13 moons. • The moons are: Triton, Thalassa, Naiad, Despina, Galatea, Larissa, Proteus, Nereid, Halimede, Sao, Laomedeia, Psamathe, and Neso • Triton is the largest Moon Triton

Density: Its density is 1. 639 g/cm denser than Uranus. It is the 3

Density: Its density is 1. 639 g/cm denser than Uranus. It is the 3 rd largest planet in mass. Size: This is the forth largest planet. It’s diameter equator is about 30. 775 miles and a little smaller than Uranus , but 4 x as big as Earth. Its mass is 1. 2 x greater than Uranus.

Revolution : It takes 164. 8 days to rotate the sun. Its period of

Revolution : It takes 164. 8 days to rotate the sun. Its period of revolution in earth years is 164. 79. What makes this happen is minerals that make up its density.

Rotation: The period of rotation is 17. 7 hours its days of rotation is

Rotation: The period of rotation is 17. 7 hours its days of rotation is 0. 67125 days.

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ROME Roman Kingdom Roman Republic Roman Empire RomanROME Roman Kingdom Roman Republic Roman Empire Roman
Roman culture Roman Kingdom History Roman Republic RomanRoman culture Roman Kingdom History Roman Republic Roman
MARS MARS Named after Roman god of WarMARS MARS Named after Roman god of War
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NEPTUNE Canada Status and Future Chris Barnes NEPTUNENEPTUNE Canada Status and Future Chris Barnes NEPTUNE
Lecture 23 Outline Neptune and Uranus Neptune andLecture 23 Outline Neptune and Uranus Neptune and