Air pressure makes Mount Everest ‘shrink’ by thousands of feet, new study finds

Mount Everest is the tallest mountain in the world — but sometimes, it feels like the second-tallest, according to a story reported in the American Geophysical Union’s news blog Eos.

That’s because the mountain’s air pressure fluctuates significantly throughout the year, a recent study found, causing the summit’s “perceived elevation” to occasionally dip below that of its less-lofty rival, K2 — the second-tallest mountain in the world.

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