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How Did Ole Roemer Calculate The Speed Of Light Using A Moon Of Jupiter?
340th Anniversary of the Determination of the Speed of Light
speed of light
You–Yes, You–Can Calculate the Speed of Light Using Jupiter | WIRED
Illustration of Roemer's determination of the speed of light. In 1676 he observed a series of eclipses of the innermost satellites of Jupiter, which completes a revolution around the planet in 42
Rømer's determination of the speed of light - Wikipedia