Speed of light measurement

Timeline created by nelsonfonseca
  • Galileo Galilei

    Galileo Galilei
    Method: Lanterns
    Speed: "fast"
  • R0mer/Huygens

    Method:Jovian moon occultation
    Speed:215,000 km/s
  • Bradley

    Method: Aberration of Light
    Speed: 301,000 km/s
  • Fizeau

    Method: Spinning slotted wheel
    Speed: 315,300 km/s
  • Michelson

    Michelson
    Method: Rotating mirror
    Speed: 299,910 km/s
  • Rosa

    Method: Capacities method
    Speed: 300,000 km/s
  • Comstock

    Method: 18 star pairs
    Speed: 300,560 km/s
  • Perot/Fabry

    Method: Electromanetic method
    Speed: 299,730 km/s
  • Rosa/Dorsey

    Method: Electrical method
    Speed: 299,700 km/s
  • Mercier

    Method: Electrical measurements
    Speed: 299,700 km/s
  • Michelson/ Birge

    Method: Interferometer
    Speed: 299,798 km/s
  • Karolus/Mittelstaedt

    Karolus/Mittelstaedt
    Method: Kerr Cell shutter
    Speed: 299,778 km/s
  • Pease/Pearson

    Method: Interferometer
    Speed: 299,774 km/s
  • Essen/Gordon-Smith

    Method: Microwave Cavity
    Speed: 299,792 km/s
  • Froome

    Method: Interferometer
    Speed: 299,792.50 km/s
  • Evenson

    Method: Laser method
    Speed: 299,792.467 km/s
  • Woods/Shotton/Rowley

    Method: Laser method
    Speed: 299,792.4588 km/s
  • International

    Method: Definition
    Speed: 299,792.458 km/s