I think that the professor is photographing a thin layer of oil.
I think that the rainbow forms by the same way. More clearly is explained on the draw: (In order to be more clear, I painted only the voilet and the red rays)
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- Mon Sep 13, 2004 8:54 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Lewin's Challenge Image
- Replies: 332
- Views: 147199