Speed Of Light Measurements

By ElliotJ8

  • Galileo

    Method: Laterns, Speed: "fast"

  • Romer/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

    Method: Rorating 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: Electrometric method, Speed: 299,730 km/s

  • Rosa/Dorsey

    Method: Electrical method, Speed: 299,803 km/s

  • Mercier

    Method: Electrical measurements, Speed: 299,700 km/s

  • Michelson/Birge

    Method: Interferometer, Speed: 299,798 km/s

  • 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