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. (jan 1, 1644 – jan 1, 1710)
Description:
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.
Added to timeline:
Date:
jan 1, 1644
jan 1, 1710
~ 66 years