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28 dic 1841 anni - Doppler effect published

Descrizione:

First described by Christian Doppler - https://www.britannica.com/science/Doppler-effect
http://www.qrg.northwestern.edu/projects/vss/docs/communications/3-what-is-the-doppler-effect.html

Aggiunto al nastro di tempo:

Data:

28 dic 1841 anni
Adesso
~ 183 years ago