Water on terrestrial planets of the Solar System is only 2.1×10, a factor of 8 lower than Earth's VSMOW ratio. It is unclear how such a difference could exist, if physisorption were indeed the dominant form of HO accretion for Earth in particular and the terrestrial planets in general. Water on terrestrial planets of the Solar System The origin and development of water on terrestrial planets, Venus, Earth, Mars, and the closely related Earth's Moon, varies with each planetary body, with the exact origins remaining unclear. Additionally, the terrestrial dwarf planet, Ceres is known to have water ice on its surface. A significant amount of surface hydrogen has
Mount Olympus of the coin. Above the scene is written, in Greek, "National Park Olympus". Mount Olympus Mount Olympus (; "Olympos", for Modern Greek also transliterated "Olimbos", or ) is the highest mountain in Greece. It is located in the Olympus Range on the border between Thessaly and Macedonia, between the regional units of Pieria and Larissa, about southwest from Thessaloniki. Mount Olympus has 52 peaks, deep gorges, and exceptional biodiversity. The highest peak, Mytikas (Μύτικας "Mýtikas"), meaning "nose", rises to . It is one of the highest peaks in Europe in terms of topographic prominence. Olympus is notable in Greek mythology