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Age of Exploration

Age of Exploration. How Big is Your World?. How far is it across Murray? (Glendale Rd. to Wal-Mart) 1 mile 2 miles 5 miles 10 miles. How Big is Your World?. How far is it across Murray? (Glendale Rd. to Wal-Mart) 2 miles. From Murray to Paducah?. 15 miles 20 miles 40 miles 70 miles.

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Age of Exploration

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  1. Age of Exploration

  2. How Big is Your World? • How far is it across Murray? (Glendale Rd. to Wal-Mart) • 1 mile • 2 miles • 5 miles • 10 miles

  3. How Big is Your World? • How far is it across Murray? (Glendale Rd. to Wal-Mart) • 2 miles

  4. From Murray to Paducah? • 15 miles • 20 miles • 40 miles • 70 miles

  5. From Murray to Paducah? • 40 miles • Or 20 Murrays

  6. Murray to Chicago? • 100 miles • 150 miles • 200 miles • 400 miles • 1000 miles

  7. Murray to Chicago? • 400 miles • Or 200 Murrays

  8. Across the United States? • 1000 miles • 3000 miles • 5000 miles • 10000 miles

  9. Across the United States? • 3000 miles • Or 1500 Murrays

  10. Around the Earth? • 10000 miles • 15000 miles • 25000 miles • 1000000 miles

  11. Around the Earth? • 25000 miles • Or 12500 Murrays

  12. From the Earth to the Sun? • 93 million miles • Or 46.5 million Murrays

  13. From the Sun to the nearest Star? • 4.2 Light Years • Or 24,690,246,000,000 miles • Or 12,345,123,000,000 Murrays

  14. To the farthest thing we’ve seen? • A Quasar • 10-15 billion Light Years • May be some further • There hasn’t been enough time since the beginning of time for our sunlight to get there.

  15. Major Motivations • The Three G’s • Spices (Spice Trade of East Asia) • No refrigeration • Boatload of pepper possibly worth more than a boatload of gold

  16. Other Motivations

  17. Other Motivations • Sickness (Bubonic Plague in Portugal during second half of 14th Century) • Renaissance

  18. Technology • Compass (Chinese) • Prior to this Europeans just followed the coasts

  19. Technology • Astrolabe (Arab) • Measures the angle between a star and the horizon • Measures how high it is in the sky • Gives you latitude

  20. Technology • New tools lead to improvements in… • Cartography • Map-making • Medieval maps had been useless

  21. Technology • Shipbuilding • Lateen (Arab) • Triangle shaped sail • Allows one to sail into the wind (tacking)

  22. Technology • Gunpowder (Chinese) • Primitive and highly inaccurate not to mention dangerous • Still a big advantage • Cannons

  23. Technology = Caravel

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