Snow, Rain and Oceans Make Earth’s Center Shift Every Year
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5 Articles
Snow, Rain and Oceans Make Earth’s Center Shift Every Year
Earth’s center of mass moves slightly throughout the year as snow, rain, ocean water and even air shift around the planet, according to a new NASA-led study. The movement is tiny—only a few millimeters—but measuring it accurately is important. Earth’s center of mass, also called the geocenter, provides a basic reference point for satellite navigation, […]
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Every year, snow, monsoon rains and changes in the oceans redistribute enormous amounts of water and oscillate the planet’s center of mass with respect to its geometric center. A new study has fine-tuned the measurement of this movement, key to the reference systems used by satellites and geodesy.
Snow, rain, oceans and air redistribute enormous masses on Earth every year. Thus, their mass center wanders several millimetres opposite the geometric center. A new analysis of satellite and position data brings together previously contradictory measuring methods on a few millimetres and makes the seasonal causes more visible. Pasadena (U.S.A.). The focus of the earth is not [...] The post Snow, monsoon and oceans shift the center of gravity of…
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