maps, globes, and projections. globes are the only true models of the earth. globes are not...
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So how do you convert a bulky globe into a convenient map ?TRANSCRIPT
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Maps, Globes, and Projections
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• Globes are the only true models of the
earth.• Globes are not
practical to carry around and consult for everyday use.
![Page 3: Maps, Globes, and Projections. Globes are the only true models of the earth. Globes are not practical to carry around and consult for everyday use](https://reader036.vdocuments.net/reader036/viewer/2022062306/5a4d1aeb7f8b9ab05997a839/html5/thumbnails/3.jpg)
So how do you convert a bulky globe
into a convenient map?
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If we could peel the earth and
lay the peel out flat, then there
would be an accurate flatpicture of the
globe.
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But that result would be very difficult to read!
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So ancient scientists solved the problem by projecting a light through a transparent globe on to a flat piece
of paper.
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The problem is the that flat map is only accurate at the points that match the surface
of the round globe.
So parts of every flat map are always distorted or inaccurate
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• So different projections have different uses.– Some are good for seeing continents– Some are good for traveling the oceans– Some are good for exploring the poles
LET’S SEE WHICH PROJECTIONSARE USEFUL FOR DIFFERENT REASONS.
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MERCATOR
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LAMBERT CONICAL
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INTERRUPTED