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The index of radio refraction does have a lot of variation, which might throw off your calculations, so you can also look at the difference in brightness between the visible flash and more-attenuated UV and x-rays.

"Lightning Distance", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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The index of radio refraction does have a lot of variation, which might throw off your calculations, so you can also look at the difference in brightness between the visible flash and more-attenuated UV and x-rays.


Page last modified: 8/1/2018.