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Joseph Von Fraunhofer

Szene aus 'Joseph von Fraunhofer' | Bild: BR

Joseph von Fraunhofer (1787–1826), was a Bavarian astronomer, optical and physicist. Fraunhofer Crater of the Moon was named in his honor. As a scientist, engineer and entrepreneur achievements reached as the discovery of the "Fraunhofer lines" in the optical spectrum of sunlight, and invented a new method of manufacture of lenses for microscopes and telescopes. Was the first to investigate seriously about the absorption lines in the spectrum of the Sun, with the invention of the…

Joseph von Fraunhofer ─ The Father of the Spectrometer


In 18th century Bavaria the quick-thinking of a king changed an unlucky boy's life when Joseph von Fraunhofer found himself trapped in a collapsing building!


QUANTUM THEORY Quantum theory evolved as a new branch of theoretical physics during the first few decades of the 20th century in an endeavour to understand the fundamental properties of matter. It began with the study of the interactions of matter and radiation. Certain radiation effects could neither be explained by classical mechanics, nor by the theory of electromagnetism. In particular, physicists were puzzled by the nature of light. Peculiar lines in the spectrum of sunlight had…


Joseph von Fraunhofer and the Solar Spectrum

#OnThisDay in 1826, German physicist Joseph von Fraunhofer passed away, who discovered the dark absorption lines in the solar spectrum