The Moon’s Phase
2010 Globe at Night
March 4th, 2010 | Author: Herb
GLOBE at Night is an annual 2-week campaign in March. People all over the world record the brightness of their night sky by matching its appearance toward the constellation Orion with star maps of progressively fainter stars. They submit their measurements on-line and a few weeks later, organizers release a map of light-pollution levels worldwide. Over the last four GLOBE at Night campaigns, volunteers from over 100 nations have contributed 35,000 measurements…Learn How to Participate
MP3/Podcast with Constance Walker