For decades, scientists have been studying intriguing “gravity holes,” which are enormous depressions in the Earth’s crust where the effects of gravity are significantly lower than average.
It’s an especially pertinent phenomenon in the Antarctic, a region that has seen significant changes not just due to global warming, but far longer-term climate changes spanning tens of millions of years — long before the emergence of humans and their environmentally disastrous footprint on the planet. The effects of gravity are particularly weak beneath the icy continent when accounting for our planet’s rotation, the result of slow rock movements deep beneath the ice.
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