NEPTUNE AND PLUTO are the two furthest planets from the Sun ,at an average distance of about 4,500 million kilometers and 5,000 million kilometer respectively .Neptune is a gas giant and is thought to consist of a small rocky core surrounded by a mixture of liquids and gases.The atmosphere contains several prominent cloud features .The largest of these are the Great dark spot , which is as wide as the Earth, the small dark spot , and the Scooter .The Great and small dark spot are huge storms that are swept around the planet by winds of about 2,000 kilometre per hour .The Scooter is a large area of cirrus cloud .Neptune has four tenuous rings and eight known moons.Triton is the largest Neptune moon and the coldest object in the Solar system with a temperature of -235C.Unlike most moons in Solar system,Triton orbits its mother planet in the opposites direction to the planet's rotation.
PLUTO is also small and far away that little is known about it .It is a rocky planet, probably covered with ice and frozen methane .Pluto's only known moon ,Charon, is a large for moon ,at half the size of the its parent planet.Because of the small difference in their size ,Pluto and Caron are some times considered to be a double -planet system.
PLUTO is also small and far away that little is known about it .It is a rocky planet, probably covered with ice and frozen methane .Pluto's only known moon ,Charon, is a large for moon ,at half the size of the its parent planet.Because of the small difference in their size ,Pluto and Caron are some times considered to be a double -planet system.
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