Friedrich von Hahn
✓ Source-basedfallingGerman astronomer
Fame39.3
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Languages9
In century#7,003
Friedrich II. Graf von Hahn was a German nobleman, a philosopher and astronomer born in Neuhaus, Duchy of Holstein, Holy Roman Empire. He suggested the Doppler effect before Doppler.
Also inDeutsch
Photos 1
Scientists from Germany 6
About this person
Country
GermanyCategory
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1742 to 1805 · aged 63
Written about in
9 languages
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