Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21323602w&link_type=abstract
American Astronomical Society, AAS Meeting #213, #236.02; Bulletin of the American Astronomical Society, Vol. 41, p.508
Astronomy and Astrophysics
Astronomy
Scientific paper
The loss of a dark night sky as a natural resource is a growing concern. It impacts not only astronomical research, but also health, ecology, safety, economics and energy conservation. For this reason, "Dark Skies” is a theme of the US International Year of Astronomy (IYA). Its goal is to raise public awareness of the impact of artificial lighting on local environments by getting people involved in a variety of dark skies-related programs. As one means to reach this goal, the presentation will introduce participants to the star-hunting program, GLOBE at Night. Over the last 3 years, GLOBE at Night has successfully run two-week campaigns every spring, during which a total of 20,000 observations have been submitted from 100 countries. For IYA 2009, GLOBE at Night will take place March 16-28. During the campaign period, the GLOBE at Night program has students and the general public, as citizen-scientists, take data on light pollution levels by comparing observations with stellar maps of limiting magnitudes toward the constellation, Orion. For more precise measurements, citizen-scientists can use digital sky brightness meters. Measurements are submitted on-line from around the globe and within a few weeks a world map showing results is available. Measurements can then be compared with data from previous years, Earth at Night satellite data and population density data. Information will be available on how to participate in GLOBE at Night, as well as on how to jump-start GLOBE at Night locally through the use of well-developed instructional materials and kits, should participants decide to become GLOBE at Night community leaders. Visit http://www.globe.gov/GaN/ for more details.
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