Author: | Gunnar Ries |
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Date: | 2014-11-10 21:18:00 |
Blog: | Gunnars Geo-Blog |
URL: | http://amphibol.blogspot.com/2014/11/counting-stars-20.html |
Astronomie, astronomy, family activity, fantastic experience, health, interdisciplinary project, light pollution, Loss, Night, nights, problem, Scientists, sky, skyglow, society, stars, urban areas, waste light, winter time