Web11 de abr. de 2024 · The Earth was not always a verdant green with blue oceans. At one time, it was a desolate ball of white. It is difficult to tell how much of the Earth’s surface was covered with ice during this ... Earth's hydrosphere is the sum of Earth's water and its distribution. Most of Earth's hydrosphere consists of Earth's global ocean. Nevertheless, Earth's hydrosphere also consists of water in the atmosphere and on land, including clouds, inland seas, lakes, rivers, and underground waters down to a depth of 2,000 m (6,600 ft). The mass of the oceans is approximately 1.35×10 metric tons or …
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WebHis estimate was that the earth had a radius of 6,339.6 km, which is 16.8 km less, also approximately 0.27% off from modern measurements. [2] Robert Helmert In 1906, the German geodesist Friedrich Robert Helmert determined that the earth was a global ellipsoid and calculated it to within 100 meters, 0.002% of modern measurements. References Web9 de jun. de 2024 · It holds 99.8% of the solar system's mass and is roughly 109 times the diameter of the Earth — about one million Earths could fit inside the sun. The surface of the sun is about 10,000 degrees... Web31 de out. de 2008 · The diameter of the Earth is 12,742 km. This means that the Moon is approximately 27% the size of the Earth. What about surface area? The surface area of the Moon is 37.9 million square... dick jones appleton wi