Short Wave How Tall Is Mount Everest? Hint: It Changes
Jul 21, 2021
Lauren Frayer, NPR's India correspondent, dives into the intricate science of measuring Mount Everest. She explains how the iconic height of 29,031 feet is subject to change due to evolving measurement techniques, from old-school trigonometry to modern satellite technology. Frayer shares fascinating stories about historical surveyors and recent remeasurements that showcase local pride. Plus, discover why Everest isn't always crowned the tallest mountain on Earth. Join her as she explores the complexities behind one of nature's greatest giants.
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Roxanne Vogel's Everest Fixation
- Roxanne Vogel, a climber, fixated on the number 29,029, Everest's height, during her training.
- She set a speed record, climbing Everest and returning home in 14 days.
Early Everest Measurements
- In the 19th century, Everest's height was measured using trigonometry from eight different points.
- The standard height, 29,029 feet, dates back to 1955.
Modern Measurement Challenges
- Modern Everest measurements involve using satellites and GPS receivers.
- Climbers face a harsh environment with limited time to collect data.