On Nov. 21, 1676, the Danish astronomer Ole Rømer discovered the speed of light. See how it happened in our "On This Day In Space" series!
Saturday, 21 November 2020
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On This Day in Space! Nov. 21, 1676: Astronomer accidentally discovers speed of light #rwanda #RwOT Lamptey
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An IT professional software developer, desktop, web and mobile. Have been working in the tech industry for 13 years. husband, father , citizen , global traveler.
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