German physicist and optical lens maker who built a precision spectroscope around 1814 to test the glass he manufactured, and used it to discover and catalogue hundreds of dark absorption lines crossing the sun's spectrum, now called Fraunhofer lines. His later comparison of stellar spectra to the sun's founded the practice of stellar spectroscopy.
Facts
FieldPhysics and optics, spectroscopy 1 Field
Field (category) Connections
Invented
Built a precision spectroscope around 1814 to test the optical glass he manufactured, discovering hundreds of dark absorption lines in the sun's spectrum now called Fraunhofer lines.
Source Spectroscope (Wikipedia)
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Source Joseph von Fraunhofer (Wikipedia)
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Nationality
Also in Geography Atlas: the nationality of this subject.
Sources
1. Joseph von Fraunhofer (Wikipedia)
WikipediaLead section
Joseph Ritter von Fraunhofer (; German: [ˈfraʊnˌhoːfɐ]; 6 March 1787-7 June 1826) was a German physicist and optical lens manufacturer.
- Works In: Physics
View the Source 2. Joseph von Fraunhofer (Wikidata)
P570 (date of death): year
+1826-06-07T00:00:00Z
P570 (date of death): full date
+1826-06-07T00:00:00Z
P27 (country of citizenship): Kingdom of Bavaria
Q154195
P20 (place of death): Munich, Germany
Q1726
P27 (country of citizenship): Holy Roman Empire
Q12548
P19 (place of birth): Straubing, Germany
Q7027
View the SourceSpectroscope (Wikipedia)
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