Lysets hastighed: Den danske astronom Ole Christensen Romer (Olaus Roemer) (1644-1710) observerer formørkelserne af Jupiters satellitter i 1675-1676 og bruger dem til at måle lysets hastighed. Anonym illustration fra 1925. Privat samling.(Speed of light: Danish astronomer Ole Christensen Romer (Olaus Roemer) (1644-1710) observes the eclipses of Jupiter's satellites in 1675-1676 and uses them to measure the speed of light. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
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Udateret · Engraving
· Billed-ID: 1047780
Private Collection / Bridgeman Images |
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