Indiana Coetzee
preschooler
“Because they picked that color.”
Bryanna MacDonald
barista
“The curvature of the Earth and the way the light hits the atmosphere.”
Sydney Culp
first grader
“Because the air is blue.”
Michael Murphey
student
“The sky is blue because gas molecules in the atmosphere scatter light in the blue wavelength. This also has to do with the incident angle of sunlight, which explains why the sky is pink at sunset.”
This article appears in Jun 9-16, 2011.