Ole Christensen Romer - Observed planets. - Found the solution that light travels at a finite speed. - Found out what's the delay of light from Sun to Earth. (1 ene 1644 año – 1 ene 1710 año)

Descripción:

Observed planets: Jupiter and other planets.

Romer found the solution that light travels at a finite speed.

Romer estimated that it takes the light about 11 minutes to reach Earth from the sun.

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