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Submission + - Researchers Develop The Most Detailed Map Of Gravitational Variations Ever (businessinsider.com.au)

schliz writes: An Australian-German team of researchers has developed the most detailed map of gravitational variations ever, using satellite data, gravitational readings and small-scale topographical models. They say the data will help civil engineers and miners, and will be available for free online.

Gravity varies because the Earth isn't perfectly spherical. According to the new map, gravity is 0.7% greater near the North Pole (9.83ms-2) than at Peru’s Nevado Huascaran summit (9.76ms-2). The difference is 40% more than previously expected.

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Researchers Develop The Most Detailed Map Of Gravitational Variations Ever

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