Measuring the speed of light. Engraving showing the apparatus used by the French physicist Hippolyte Fizeau (1819-1896) to measure the speed of light. Artwork from Astronomie Populaire (Popular Astronomy) by Francois Arago (1786-1853),which was published posthumously in 1858 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Royal Astronomical Society |
Taille de l’image : | 5517 px × 4390 px |
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