Artwork of the gas giant planet Neptune showing clouds and its thin ring system. Neptune mainly comprises gaseous hydrogen and helium,with small amounts of methane. It has a diameter of around 50,000 kilometres,almost four times that of the Earth. It orbits the Sun at a distance of 4500 million kilometres,taking almost 165 years for each orbit. Its blue colour is due to methane in its upper atmosphere. The Great Dark Spot is thought to be a large storm system,and it has numerous white,high-altitude clouds associated with it | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Garlick, Mark |
Bildgröße: | 7000 px × 4375 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |