Neptune By: Megan Tharpe And Ashley Elder

Neptune Facts Neptune is the 8 th planet from the sun Its orbit: 4,504,000,000 km from sun Diameter: 49,532 km

Neptune In Roman mythology Neptune (Greek Poseidon) was the god of the Sea. Neptune has been visited by only one spacecraft, Voyager 2 on Aug Neptune's blue color is largely the result of absorption of red light by methane in the atmosphere

Neptune Neptune's winds are the fastest are the fastest in the solar system, reaching 2,000km/hour. Like Jupiter and Saturn, Neptune has an internal heat source -- it radiates more than twice as much energy as it receives from the Sun.

Neptune Facts Neptune's rings have been given names: the outermost is Adams, next is an unnamed ring co- orbital with Galatea, then Leverrier, and finally the faint but broad Galle. Neptune is one of the 2 planets that cannot be seen without a telescope

Planet Neptune It has 13 moons 7 small named one’s

Facts If Neptune were hollow it could contain nearly 60 earths It orbits the sun every 165 years A day on Neptune is 16 hours and 6.7 minutes

N E P T U N E Neptune was discovered on September 23, 1846 by: Johann Gottfried Galle The first two thirds of Neptune is composed of a mixture of molten rock, water, liquid ammonia and methane. The outer third is a mixture of heated gases comprised of hydrogen, helium, water and methane. Methane gives Neptune its blue cloud color.

Neptune and its Atmospheric Composition Neptune is a dynamic planet with several large, dark spots. The largest spot, known as the Great Dark Spot, is about the size of the earth and is similar to the Great Red Spot on Jupiter.Great Dark SpotGreat Red Spot Atmospheric Composition: Hydrogen: 85% Helium: 13% Methane: 2%

: Planetary Symbol Neptune Tilt of axis: 29 ◦ 36” Stormy planet with super cold winds around 1,200 mph.

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Neptune Facts Pluto last crossed Neptune’s orbit on Jan.23, 1978 and remained within in it till Feb. 11, 1999 Neptune is about 30 times as far from the sun as is earth. Its diameter at the equator is 30,775 miles or almost 4 times that of earth.

Neptune and it moon Triton The blue clouds are mostly frozen methane, the main chemical in natural gas—the other object shown is is Neptune’s moon Triton

Neptune’s Rings Neptune’s outermost ring, 39,000 miles from the planet It has 3 conspicuous rings and 1 Faint ring

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Works Cited m m orldbook.html orldbook.html