Asked by Arielle
                The first accurate measurement of the speed of light was made by Roemer in the 17th century.  His measurements were based on observations of 
(a) The timing of the eclipses of the binary stars Alpha and beta Centauri
(B) Refraction of light from a star when the star was eclipsed by the moon
(C) The timing of eclipses of one of Jupiter's moons
(D) The periodic eclipsing of Venus by the sun
            
        (a) The timing of the eclipses of the binary stars Alpha and beta Centauri
(B) Refraction of light from a star when the star was eclipsed by the moon
(C) The timing of eclipses of one of Jupiter's moons
(D) The periodic eclipsing of Venus by the sun
Answers
                    Answered by
            bobpursley
            
    http://en.wikipedia.org/wiki/R%C3%B8mer%27s_determination_of_the_speed_of_light
    
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.