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The top documents tagged [visibility of stars]
Education
Light pollution
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Michelle & Ross Fischer LIGHTING ORDINANCE IMPLEMENTATION 
223 views
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Visual Acuity and Its Measurement
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True or False: 1. Mirrors are used in some telescopes. 2. Telescopes are often located in humid environments because water vapor in the air enhances visibility
214 views
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Lighting Ordinance implementation
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Ventures Update Spring 2012
216 views