Classic and Digital Versions of GLOBE at Night Thrive in 2007

How bright is your sky at night? For Tucson, Washington DC, Hilo, Richmond and a few towns in New Jersey, sky brightness measurements by citizen-scientists show a consistent pattern: gradients from bright-to-dark as one moves from the city center to outlying areas. Stay tuned for more from the GLOBE at Night program.

Credit:

C. Peruta, C. E. Walker and NOAO/AURA/NSF

About the Image

Id:noao0707a
Type:Chart
Release date:May 28, 2007
Related releases:noao0707
Related announcements:noaoann07022
Size:749 x 681 px

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Category:Illustrations

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