It’s not easy to measure a mountain. At 8,848 meters (29,029 feet) Mount Everest is the tallest mountain in the world above sea level. The mighty mountain’s height has been known since the middle of the nineteenth century, but how did they figure it out? Altimeters were not highly accurate at the time. GPS didn’t exist. Obtaining this seemingly basic piece of geographic information took nearly a hundred years, thousands of person hours, and a lot of trigonometry....continued ...
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