Measuring Mount Everest: Methods & Findings
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Questions and Answers

What time did Khim Lal Gautam reach the summit of Mount Everest?

  • 6 A.M.
  • 12 P.M.
  • 5 A.M.
  • 3 A.M. (correct)

What measurement technology did Gautam and his team use?

  • Radar and satellite navigation (correct)
  • Mechanical compass
  • Laser rangefinder
  • Altimeter

How long did Gautam and his team stay at the summit of Mount Everest?

  • 15 minutes
  • Almost 2 hours (correct)
  • 30 minutes
  • 1 hour

What is the commonly accepted height of Mount Everest?

<p>29,029 feet (C)</p> Signup and view all the answers

What event raised questions about the height of Mount Everest?

<p>The 2015 earthquake in Nepal (A)</p> Signup and view all the answers

What is the budget for the new measurement project of Mount Everest?

<p>$1.3 million (A)</p> Signup and view all the answers

Who is overseeing the project to measure Mount Everest's height?

<p>Susheel Dangol (D)</p> Signup and view all the answers

Why has Nepal initiated its own measurement team for Mount Everest?

<p>To assert independent control (B)</p> Signup and view all the answers

What primary method did Dangol's team utilize to measure Mount Everest's height in conjunction with trigonometry?

<p>Global Navigation Satellite System readings (D)</p> Signup and view all the answers

What was the main purpose of transporting a gravimeter during the Everest measurement project?

<p>To measure gravitational force (B)</p> Signup and view all the answers

Which name is associated with Mount Everest in Nepal?

<p>Sagarmatha (D)</p> Signup and view all the answers

Why did the team need to generate a model of sea level?

<p>To determine the actual height above sea level (D)</p> Signup and view all the answers

What challenge did Gautam's team specifically mention regarding their equipment?

<p>It weighed 90 pounds excess. (B)</p> Signup and view all the answers

Who is George Everest in relation to the mountain?

<p>The chief surveyor who the mountain is named after (D)</p> Signup and view all the answers

How long is the data processing expected to take for the Everest project?

<p>Months (A)</p> Signup and view all the answers

What does the term 'ellipsoidal height' refer to in the context of Everest's measurement?

<p>Height above a geometric model of the Earth (C)</p> Signup and view all the answers

Flashcards

Mount Everest's Height

The current accepted height is 29,029 feet, but a new measurement is being taken.

Nepal's Everest Team

Nepal sent a team to measure Mount Everest using modern surveying technology.

Project Goal

To determine the most accurate height of Mount Everest using advanced equipment.

2015 Earthquake

A strong earthquake that may have affected Mount Everest's height.

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Khim Lal Gautam

A team member who reached the summit of Mount Everest and collected crucial measurements.

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Survey Technology

Modern equipment like radar and satellite navigation is used to precisely measure the mountain.

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Project Cost

The project is estimated to be $1.3 million over two years.

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Project Timeline

The team expects to report their conclusion early next year.

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Everest's Names

Mount Everest is known as "Sagarmatha" in Nepal and "Chomolungma" in Tibet, reflecting the cultural significance of the mountain in these regions.

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Everest's English Name

The English name "Everest" originated from Sir George Everest, who was the former chief surveyor of India.

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Trigonometry's Role

Trigonometry is a method used to calculate Everest's height, employed in both the first measurement and the current standard, providing a baseline for comparison.

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Satellite Navigation System

A modern technique that combines satellite readings and a sea level model to determine Everest's height.

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Gravimeter's Purpose

The gravimeter measures the force of gravity at various locations, crucial for determining the precise sea level beneath Everest.

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Challenges of Measuring Everest

The project faces challenges like transporting heavy equipment, navigating rough terrain, and collecting data from diverse locations.

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Data Processing Time

Analyzing the collected data will take months, as it involves complex calculations and modeling, reflecting the technical nature of the project.

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Two Measurement Methods

The team uses both traditional trigonometry and modern satellite-based methods to measure Everest's height, combining older and newer techniques.

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Study Notes

Mount Everest Measurement

  • Team measured Mount Everest at 3 A.M. on May 22, 2019.
  • The team used radar and satellite navigation.
  • The team spent almost two hours at the summit.
  • Team members experienced frostbite and lack of oxygen.
  • Team members lost part of a toe.
  • Goal was to determine Mount Everest's true height.
  • Current accepted height is 29,029 feet (from the 1950s).
  • Some suspect the peak shrunk slightly after 2015 earthquake.

Methods for Everest Measurement

  • Nepal's team used two methods:

    • Trigonometry
    • Satellite navigation system and a complex sea level model.

  • Used a Global Navigation Satellite System device and a radar to take measurements.

  • Collected data from 297 spots.

  • The data will be processed by a team of 6 experts.

  • Process will take 3-4 months.

  • Goal is to get an accurate height, including snow and rock height, down to the centimeter.

  • The team used "ellipsoidal" height (the height at a smoothed Earth model).

  • Needed to determine the sea-level point under the mountain.

  • The project cost $1.3 million.

  • Nepali team is using modern technology.

  • This is the first time a Nepali team measured the mountain.

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Team Works to Get Most Accurate Everest Measurement (PDF)

Description

This quiz explores the recent measurement of Mount Everest by a team in 2019. It covers the techniques used, including radar and satellite navigation, as well as the challenges faced by the team. Test your knowledge on the measurement methods and the implications for Everest's true height.

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