About Fraunhofer Spectral Lines
In 1814 Joseph von Fraunhofer projected sunlight through a prism and found the rainbow crossed by hundreds of fine black lines. He catalogued 570-plus of them, lettering the strongest A through K, never knowing they were the chemical fingerprint of the Sun. This system dresses in that plate: a dimmed spectrum band gradient, black absorption lines standing over the color, engraver's serif labels, all mounted on a dark blue spectroscopy plate.
- Origin
- Bavaria, Germany (Fraunhofer's optical workshop at Benediktbeuern)
- Era
- 1814 (Fraunhofer maps 570+ dark lines A–K); spectroscopy foundations 1814–1860s
- Key figures
- Joseph von Fraunhofer · Gustav Kirchhoff · Robert Bunsen
- Movements
- Early optics and spectroscopy · Foundational astrophysics · Analytical chemistry
Fraunhofer Spectral Lines design spec
Colors
Background
Surface
Primary
Secondary
Accent
Text
Typography
SpectralHeadings
Noto SerifBody
IM Fell EnglishMono
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