- 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.
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