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The Challenge of Representing the Globe: Map Projections Explained

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Representing the Earth’s three-dimensional shape on a two-dimensional map is fraught with challenges. This process inevitably leads to distortions in area, shape, and distance. Mapmakers face the daunting task of "flattening" the Earth, akin to peeling an orange in one piece—an exercise illustrating the complexities of map projection techniques. Just like the skin of an orange, flattening a round surface into a flat plane requires skill and understanding of these distortions. Discover how these techniques can impact our perception of geography.

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The Challenge of Representing the Globe: Map Projections Explained

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Presentation Transcript

  1. What… • Is difficult about trying to represent the globe on a map? • Taking a 3-D object and trying to make it a 2-D object will always result in distortions of: • Area • Shape • Distance

  2. A map maker’s challenge: How to flatten the Earth?

  3. Techniques of map projection

  4. Making a flat map of the Earth… Is like peeling an orange…

  5. Making a flat map of the Earth… • To demonstrate the difficulty of making a flat map of a round surface, make a map out of an orange peel… • Using a knife, try to peel the orange so that you take the skin off in one piece! Is like peeling an orange…

  6. Not so easy, huh?

  7. Although, maps can be made at random

  8. or following a pattern

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