57 - Latitude and Longitude

How can you use the Sun, the stars, and time to measure your location on Earth? Why were clocks instrumental in conquering the seas? How can you use shadows and wells to prove that the Earth is round?

Today, we learn all about the science of location, location, location! And the fascinating history of how sailors navigated the high seas before satellites and Google Maps.

Latitude and longitude visualised
Using latitude and longitude as coordinates
Eratosthene's method for calculating Earth's circumference
Astrolabe

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