Deep rock movements are creating a literal gravity hole in Antarctica
Deep beneath the Antarctic ice, shifting tectonic plates and cooling rock formations have created a massive dip in Earth's gravitational pull known as a gravity hole.
Earth is not a perfect sphere, and its gravity varies depending on the density of the material beneath the surface. In West Antarctica, researchers have identified a significant gravity anomaly where the pull is notably weaker than the global average. This phenomenon is driven by the movement of the Earth's mantle and the thinning of the crust, which leaves less mass to exert a gravitational tug.
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