Atmospheric Optical Effects

• Science: Earth Sciences: Atmospheric Sciences: Atmospheric Optics 

• The 22° Halo and Sun Dogs  - Explanation on the physics behind the halo and so-called "sun dogs" surrounding the sun. With images.
• Atmospheric Optics  - Information about and images of various visual effects produced in the atmosphere.
• Mirages in the Sky  - Discussions and diagrams on mirages. Elaborates on the ways such natural optical effects take place.
• Red Sunset, Green Flash  - Explanation on why the sun turns reddish upon setting. Also presents an illustration of the green flash phenomenon.
• Upper Sun Pillar  - Features an archive of sun pillar images and describes the phenomenon and its formation.