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Gravitational Anomaly Add-on

The Gravitational Anomaly Add-on for NASA World Wind shows variations in the gravitational field from that expected of a smooth, homogeneous sphere. These deviations result from a number of factors. Differences in elevation, crustal thickness and composition can cause alterations in the strength of the gravitational force at a given location. The data were obtained by NASA's GRACE mission.

This add-on includes opaque and semi-transparent (shown here) representations of the relative strength of gravity across the globe.

 

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Gravitational Anomaly
Variations in the strength of
Earth's gravitational field.