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Re-measuring The Mt. Everest !

Shehla Faaiz | Mar 04, 2017, 17:08 IST

  • ट्रेन्डिंग नोटिफिकेशन्स
Re-measuring The Mt. Everest !
A group of Indian scientists and surveyors want to re-measure the height of the Mt. Everest. They are planning this after the satellite data suggested, that Everest might have shrunk in height, after the massive 2015 earthquake in Nepal, says Shehla Faaiz.

The Current Stats
After the 2015 Nepal earthquake, there are possibilities that the world's highest peak Everest might have shrinked by about an inch. The Everest was last measured in 1955 (62 years back) by the Indian government. It was measured 29,029 feet at that time.

How Is A Mountain Measured?
To calculate the elevation of a mountain, scientists select two points on the ground, and measure the angles between the top of the mountain and each point.

It’s Simple Maths
Measuring of a mountain uses simple 9th standard mathematics theory. If you have two angles, you know the third automatically, because the sum of the angles is 1800. With two angles and one side of a triangle known, the length of the other sides can be calculated. This forms the shape of a traingle, in this case it is the mountain.

The Technological & Scientific Advances
Now there are various means to calculate the height of mountains. You can take an iPhone to the top of the mountain, and measure the height of the place using Global Positioning System (GPS). Before the invention of the GPS, experts calculated the height using high-school trigonometry and high powered protectors called theodolites.

The Name Controversy
Andrew Waugh, the British Surveyor General of India named the Mt. Everest, after his predecessor Sir George Everest. At that time, this mountain had several names at different locations. It was known as Chomolungma in Tibet, Chomolangma by the Sherpas of Nepal and Qomolangma in China. However, the British Geological Survey identified it as Mount Everest in 1860.

1St To Measure Mt. Everest
Indian mathematician and surveyor Radhanath Sikdar was probably the first person to identify that Mount Everest was the world’s highest peak. He was the first person to calculate the height of the mountain in 1852. However the height was officially announced in March 1856.
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