the change of colors, like red turning into black, because of the Purkinje effect, or a natural shift in color perception caused by fluctuating light levels. In bright light, colors such as red and orange are rich and vibrant to the human eye, compared with blue and green. But in dim light, red and orange become dark and muted, while purple, blue and green brighten. Sunlight’s rapid, dramatic dimming during a total solar eclipse can heighten this phenomenon, making such events all the more surreal.
The rest is pretty mundane stuff.
Seen a total in Athens in the late 60s. Total darkness. Big deal……..
http://www.scientificamerican.com/article/why-do-colors-change-during-a-solar-eclipse/
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