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Astronomy
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Light Pollution and Dark-Sky Protection
Grade Level
Astronomy
AST.286 Light Pollution and Dark-Sky Protection
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A floodlight is tilted upward so its beam crosses the roofline. What adjustment best reduces skyglow?
A
Remove the shield so more light escapes
B
Aim the beam downward and keep light below the horizontal plane
C
Leave it pointed upward but add more wattage
D
Increase the lamp's blue-white output
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