Jobtastic: Explore WHO Makes It Work
Jobtastic: Explore WHO Makes It Work
Jobtastic Media
Geodesist: WHO Measures Mountains?
16 minutes Posted Apr 29, 2026 at 12:00 am.
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In this episode of JOBTASTIC, we meet John Galetzka, a geodesist at NOAA's National Geodetic Survey in the United States.

John helps us answer: “WHO Measures Mountains?” Follow along as we uncover the earth science and STEM secrets behind measuring the world:

  • How they measure a mountain when the ground is always moving.
  • Why his job takes him to some of the Earth’s most remote locations.
  • What’s the world’s most expensive “ruler.”

SKILL STARTER: Precision Measurement.

Every episode of Jobtastic comes with a practical, life skill you can try at home. Today, we’re learning How to Measure Carefully with Tools.

Explore our job library, download your Skill Starter, and grab your free Epic Jobs Tracker at www.jobtastic.org.