Galileo

Historical Speed of light Measurements

By yariely
  • Period: to

    Historical Speed of Light Measurements

  • Galileo

    Galileo

    Method: Lanterns
    Speed`fast`
  • Romer Huygens

    Romer Huygens

    Method:Javian moon occulation
    Speed:215 000
  • Bradley

    Bradley

    Method:Aberration of light
    Speed:301 000
  • Fizeau

    Fizeau

    Method: Spinning slotted wheel
    Speed:315 300
  • Michelson

    Michelson

    Method:Rotating mirror
    Speed:299 910
  • Karolus/ Birge

    Karolus/ Birge

    Method: Kerr Cell shutter
    Speed: 299 778

  • Pease/ Pearson

    Method: Interfometer
    Speed: 299 774

  • Essen/Gordon Smith

    Method: Microwave cavity
    Speed: 299 792

  • Evenson

    Method: Laser method
    Speed: 299 792.467

  • Woods/Shotton/ Rowley

    Method: Laser Method
    Speed: 299 792.4588
  • International

    International

    Method: Definition
    Speed: 299 792.458

Plan projects on a visual timeline

Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.

Start a project timeline