Cool How Did We Discovered The Speed Of Light Ideas. In this figure, s is the sun, e1 is the earth when closest to jupiter (j1) and e2 is the earth about six months later, on the opposite side of the sun from. Its significance is far broader than its role in describing a property of electromagnetic waves.

Fifty years later, they continue putting light through its paces. Web once it did, however, the speed of light could be easily calculated by taking the diameter of the earth’s orbit and dividing it by the difference in time between the quickest and longest. The ghostly aether and the race to measure the speed of light documents the story of the first measurement of the speed of light by roemer in 1676.