Latitude 
 

 
Changed  
Knowledge
of the
World
 

Come sail with me to learn more

What
Changed

Ahoy There! All this changed! 

Without Latitude 

 In 1440 European Sailors Only   Knew

 

 But With Latitude

  In 1516 They Knew

               How Accurately Did They Know the World in 1516?

Once latitude could be established accurately, ships could sail the entire world. Precise longitude was far less important.*

Ships

Beacons

Maps

Measuring Latitude

Compasses on Maps

Earth's Magnetism

Ships

Beacons

Maps

Latitude

Compass Roses

Earth's Magnetism

Traditional Navigation

Science of Navigation
Traditional Coastal Navigation
Ocean Currents
Weather on the Oceans
Approximating Longitude
Traditional Sailing
Science of Sailing
Coastal Navigation
Ocean Currents
Ocean Weather
Longitude

Traditional Celestial Navigation

Mathematics of Maps

Solar Calendars

Site Map

Resources on the Net by Subject

Learning Page

Polynesian Astronomy

Math in Maps

Calendars

Site Map

Net Resources

Learning Page

 
Patricia Seed
© 1998-2011
Comments
Comments

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Huntington Library

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Why the Chinese could never have sailed to America in 1421