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'''Hydrosphere''' | '''Hydrosphere''' | ||
The abundance of water on Myena's surface is a unique feature that distinguishes that planet from the others in the [[ | The abundance of water on Myena's surface is a unique feature that distinguishes that planet from the others in the [[Menya system]]. The planet's hydrosphere consists chiefly of the oceans, but technically includes all water surfaces in the world, including inland seas, lakes, rivers, and underground waters down to a depth of 2,000 m. The deepest underwater location is in the Western Ocean with a depth of −10,911.4 m. The average depth of the oceans is 3,800 m, more than four times the average height of the continents. | ||
The mass of the oceans is approximately 1.35×1018 metric tons, or about 1/4400 of the total mass of the planet, and occupies a volume of 1.386×109 km³. If all of the land on Myena were spread evenly, water would rise to an altitude of more than 2.7 km. About 97.5% of the water is saline, while the remaining 2.5% is fresh water. The majority of the fresh water, about 68.7%, is currently in the form of ice. | The mass of the oceans is approximately 1.35×1018 metric tons, or about 1/4400 of the total mass of the planet, and occupies a volume of 1.386×109 km³. If all of the land on Myena were spread evenly, water would rise to an altitude of more than 2.7 km. About 97.5% of the water is saline, while the remaining 2.5% is fresh water. The majority of the fresh water, about 68.7%, is currently in the form of ice. |