Astronomers, billboard companies clash over signs that shine

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Light pollution. Groan.

 

Astronomers, billboard companies clash over signs that shine

PHOENIX (AP) — Arizona has long been a haven for astronomers who take advantage of its mountain peaks and vast stretches of dark, desert sky to gaze at stars…

Source: www.dailymail.co.uk/wires/ap/article-3473592/Astronomers-billboard-companies-clash-signs-shine.html

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