THE “POTSDAM GRAVITY POTATO” SHOWS VARIATIONS IN EARTH’S GRAVITY

THE “POTSDAM GRAVITY POTATO” SHOWS VARIATIONS IN EARTH’S GRAVITY

People tend to think of gravity here on Earth as a uniform and consistent thing. Stand anywhere on the globe, at any time of year, and you’ll feel the same downward pull of a single G. But in fact, Earth’s gravitational field is subject to variations that occur over time. This is due to a combination of factors, such as the uneven distributions of mass in the oceans, continents, and deep interior, as well as climate-related variables like the water balance of continents, and the melting or growing of glaciers.

earth-gravity-regions

http://www.universetoday.com/116801/the-potsdam-gravity-potato-shows-earths-gravity-variations/

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