Neptune's internal structure

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Model of the internal structure of the planet Neptune. Neptune is the most distant planet from the Sun, orbiting at just over 30 times the Earth-Sun distance. It is some 49, 500 kilometres in diameter, just under four times Earth's diameter. It has a thin ring system. The tops of its clouds show weather patterns similar to Jupiter, with streaks of cloud, huge storm systems and the fastest winds in the Solar System. Beneath these clouds is a thick atmosphere of hydrogen, helium and methane (light green). Below that is a thick layer of 'ices' (dark green), largely water, ammonia and methane that exist as a hot, dense liquid. At its centre is a rocky core (grey), formed of iron, nickel and silicates. Neptune's blue colour comes from traces of methane, which absorbs red light.
Licence : Droits gérés
Crédit : Science Photo Library / Garlick, Mark
Model Release : Non requis
Property release : Non requis
Durée : 19 Secondes
Aspect ratio : 16/9
Restrictions : -

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