Doppler effect published (1 Jan 1842 Jahr – 1 Jan 1842 Jahr)
Beschreibung:
 Doppler first proposed this effect in 1842 in his treatise "Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels" (On the coloured light of the binary stars and some other stars of the heavens). The hypothesis was tested for sound waves by Buys Ballot in 1845. 
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Datum:
1 Jan 1842 Jahr
1 Jan 1842 Jahr
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