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Citizen-scientists to help map light pollution

From March 3–16, schoolchildren, parents, and teachers will gaze upward at the night skies as part of GLOBE at Night. By searching for a specific constellation—Orion—and sharing their observations online, the students will help scientists map worldwide light pollution.

 Over the past four annual GLOBE at Night events, 35,000 measurements have been gathered from more than 100 countries; a record-breaking 15,000 measurements were submitted during the 2009 campaign.

 For more information, including instructions for how to participate, visit the website.