# How Was the Speed of Light Discovered? [closed]

The title pretty much says everything; I just want to know how the speed of light was discovered.

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## closed as off-topic by akhmeteli, Qmechanic♦Sep 27 '13 at 9:19

• This question does not appear to be about physics within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

This question (v2) appears to be off-topic since a straightforward Google search would immediately provide the answer, cf. e.g. this and this meta post. –  Qmechanic Sep 27 '13 at 9:19

I think you mean Ole Rømer. en.wikipedia.org/wiki/Ole_Rømer –  Hans-Peter E. Kristiansen Sep 26 '13 at 23:37