Friedrich von Hahn
German astronomer
Died when: 63 years 74 days (758 months)Star Sign: Leo
Friedrich II.Graf von Hahn (July 27, 1742 – October 9, 1805) was a German nobleman, a philosopher and astronomer born in Neuhaus, Holstein, Germany.
He suggested the Doppler effect before Doppler.
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German astronomer
German astronomer
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