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GLOBE at Night Aims to Map Global Light Pollution

Kilrah_il (1692978) writes | more than 3 years ago

1

Kilrah_il (1692978) writes "Light pollution is a big problem this days, affecting not only astronomers and wild life, but also everyone else because of wasted energy. GLOBE at Night aims to raise awareness by urging people to go outside and find out how much light pollution there is in their area. "The campaign is easy and fun to do. First, you match the appearance of the constellation Orion in the first campaign (and Leo or Crux in the second campaign) with simple star maps of progressively fainter stars found. Then you submit your measurements, including the date, time, and location of your comparison. After all the campaign’s observations are submitted, the project’s organizers release a map of light-pollution levels worldwide.""
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Try green light (1)

Woogiemonger (628172) | more than 3 years ago | (#35578082)

It's not just the amount of light, but also the wavelength. I watched a TED talk recently, http://www.ted.com/talks/rogier_van_der_heide_why_light_needs_darkness.html [ted.com] .. The guy was mostly non-technical, but he did cite a study of how the migration of birds were disturbed by our normally emitted light, but were unaffected by green light. Perhaps he has good points about how to be more selective of how we illuminate the night. On the other hand, I do find it safer and amazingly easy to drive on fully illuminated roads such as in Manhattan, as opposed to sparsely lit roadways.
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