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Olaus Roemer

Olaus Roemer. Discovering the Speed of Light Dorna Mohaghegh Feb 2, 2006. Just So You Know…. Born in Denmark 1644 Studied at the University of Copenhagen Nine years in Royal Observatory of Paris Edited Tycho Brahe’s manuscripts

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Olaus Roemer

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  1. Olaus Roemer Discovering the Speed of Light Dorna Mohaghegh Feb 2, 2006

  2. Just So You Know… • Born in Denmark 1644 • Studied at the University of Copenhagen • Nine years in Royal Observatory of Paris • Edited Tycho Brahe’s manuscripts • Professor of Mathematics and Astronomy

  3. Discovering the Speed of Light • Galileo attempted first and failed • Roemer became curious while observing the orbit of Jupiter’s moons • Time elapsed between eclipses of Jupiter's moons became shorter as Earth moved closer to Jupiter and became longer as Earth moved farther away.

  4. Discovering the Speed of Light • Hypothesized a finite speed of light • Used known distances of Earth and Jupiter’s orbits to get a rough estimation • 2.3 x 108 m/s

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