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Mercury
Winter 2009 Table of Contents


Image courtesy of Dan and Cindy Duriscoe (National Park
Service Night Sky Program).
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by
Rowena Davis
What
do the reproductive habits of sea turtles have to do with the view
of the constellation Cassiopeia? How can smart security practices
help inner-city children locate Orion’s Belt in the sky? These
threads are all tied to the concept of sensible lighting.
Such
concerns can become the basis of a smart lighting plan that enhances
safety and recreation while improving nighttime ambiance and revealing
the tapestry of stars unobscured by light pollution. Without care,
the myriad needs of a developed society can blanket the night with
inappropriate illumination that robs citizens in cities around the
globe of a vital natural resource.
For
20 years the International Dark-Sky Association (IDA) has made the
task of protecting the night its sole mission.
If
you enjoyed this excerpt from a feature article and would
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4 issues a year.
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