Lost Without Longitude course explores the history of navigation, from stars to satellites.
About this course
Humans have been navigating for ages. As we developed the tools and techniques for determining location and planning a route, navigation grew into a practice, an art, and a science. Navigational skill has long been tied to commercial, economic, and military success. However, the ability to predict when and where one will reach a distant destination is more than just a key to empire-building it’s often a matter of life and death.
Using video, text, infographics, and Worldwide Telescope tours, we will explore the tools and techniques that navigators have used, with a particular focus on the importance (and difficulty) of measuring longitude. Grounded in the principles of position, direction, speed, and time, we will learn the challenges of navigating without a GPS signal. We’ll learn how the Age of Exploration and the economic forces of worldwide trade encouraged scientific progress in navigation; and how Jupiter’s moons, lunar eclipses, and clockmakers all played a part in orienting history’s navigators.
Centuries of progress in navigation have helped put humans on the moon and spacecraft on a comet. This course will explain how we got there, and how that progress enables you to get where you’re going today.
What you will learn from Prediction X: Lost Without Longitude?
- What exactly navigation is and how it works
- The importance of position, direction, and speed
- The many navigational tools of the 18th century
- How the motion of the sun and stars aids navigation
- Why longitude is so difficult to determine
- The historical context of navigation’s technical advances
- The role of chronometers and lunar distance
- The story of John Harrison and The Longitude Prize
1. Principles and History of Navigation
- Principles of Navigation
- History of Navigation
2. Lost Without Longitude: How to (Actually) Navigate
- Navigational Methods
3. Lost Without Longitude: The Tools of the Navigator
- Astronomy & Angles
4. Video Library
- Bonus Instrument Pages
- Post-Course Survey
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- 1-4 Weeks
- Online Course
- Free Course (Affordable Certificate)
- Geography History
- Harvard University