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The true shape of the Earth is an Oblate Spheroid. | ||||
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The best model of the Earth at any reasonable scale is a perfect circle. | ||||
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The altitude of Polaris equals your latitude. | ||||
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Latitude lines are drawn east-west and measure angular distance north and south. | ||||
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Longitude lines are drawn north-south, and measure angular distances east and west. | ||||
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Longitude is based on observations of the sun. | ||||
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The earth rotates from west to east (24 hours). | ||||
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The sun appears to rise in the east and set in the west. | ||||
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click here to restart the animation below
NOT TO SCALE We can only see half of the moon at a time and half of the moon is always lit. |
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