The origin of the dark bands found in the Solar Spectra and its consequences

Prachurjo Dutta Roy

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arXiv · 2510.21747

The origin of the dark bands found in the Solar Spectra and its consequences

Prachurjo Dutta Roy

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Abstract

This paper discusses the history of Fraunhofer's puzzling discovery of the fixed lines in various spectra (most notably of the sun) and the implications of these spectral "imperfections". Moreover, the developments in spectroscopy by Kirchhoff, Bunsen, et al. in the 19th century and its effects on our understanding of the atomic structure are discussed.

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Prachurjo Dutta Roy. 2025-10-08. The origin of the dark bands found in the Solar Spectra and its consequences. https://arxiv.org/abs/2510.21747

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