![](http://www.alamy.com/thumbs/6/40568F3A-620B-4FCC-BBB3-041882DE9393/2AJHKXD.jpg)
The Distribution of Blue-Violet Light in the Solar Corona on August 30, 1905, as Derived from Photographs Taken at Kalaa-es-Senam, Tunisia .
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
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Keywords: ., bookaut, bookcentury1900, bookdecade1900, bookidphiltrans01200638