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• Earliestrecordedvoyages3200B. C

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Presentation on theme: "• Earliestrecordedvoyages3200B. C"— Presentation transcript:

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2 • Earliestrecordedvoyages3200B. C
• Earliestrecordedvoyages3200B.C.inEgypt• Phonenician – oldest underwater shipwreck known (1200 B.C.) off Turkey • Records show they used the North Star for navigation • Polynesians(b/t B.C.)built canoes from trees and tied together with ropes• Traveled from Hawaii to Tahiti (2,000 miles)

3 Using North Star (Polaris) for navigation• Used for nighttime navigation • Moving East and West altitude Polarisreamins at same altitude• Moving North causes altitude of Polaris to increase, moving South altitude decreases

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