Join rocket scientist Neal Brown as he explains the northern lights, remote mapping, and how a rocket works.
What color would the sky be if the particles in the air were larger than they are now? Answers this question and describes why the sky is blue.
Take a one question quiz that answer the question, "Why is the sky blue?" Includes links to weather information.
Provides a detailed explanation of why the sky appears blue. Covers dipole scattering and radiation fields.