9/25 - 8/25 HMS = Her Majesty's Ship ptolomy created one of...

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8/25 HMS = Her Majesty's Ship ptolomy created one of first atlases ~150ad, underestimade circumference vastly. Coastal markers- colossus of Rhodes and lighthouse of alexandria, both were one of the 7 wonders of the world. ~ 1000bc. homer map. mediterrainan centric ~450 bc greek world. mediterranian centric, more details. greek islands. Plynesia, geing explaored while mediterrania was being explored. Polynesians used stick maps. sticks = currents, stones/swells = islands. dont last so no credit given to them until later. polynesian is hawaii to new zeland aristotle cateolgued the marine organisms eratosthenese- determined earth circumference with geometry from 2 cities and sun. stadia = 200 yards. said it was ~40k km. 1420 prince henry created the first navigation school. 11480-1520 europeans sailed to the americas/discovered them and indian/pacific/southern oceans magellan and drakecircumnavigated the earth in 1520 and 1580 respectively. columbus, thought carribean or bahamas was asia.
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This note was uploaded on 10/25/2010 for the course GEOL 107Lxg at USC.

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9/25 - 8/25 HMS = Her Majesty's Ship ptolomy created one of...

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