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Scientific American: The Amateur Scientist
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Scientific American - The Amateur Scientist (Tinker's Guild)(2000).iso
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amsci01
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1974
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05
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1974-05-04.gif
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Graphics Interchange Format
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2000-09-11
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26KB
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493x571
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8-bit (30 colors)
Labels:
angular distance
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circle
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earth
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person
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pole
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sky
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windowpane
OCR:
arbit of satefite North Polt center of earth angvlar distance track (T) lonqitude Eqvatar node Pote angviar itude