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Whose light was first used to measure the speed of Earth’s motion through space?
SciencePhysics
Quick Answer
Albert A. Michelson measured the speed of light with great precision and pioneered techniques that helped astronomy. His work on interferometry also supported later tests of planetary motion and relativity.
The Full Story
Albert A. Michelson is famous for precision optical experiments, especially his measurements of the speed of light in the late 19th and early 20th centuries. He developed the Michelson interferometer, a key tool in physics. While he did not invent the concept of Earth’s motion through space, his measurements and methods were central to later scientific advances. He won the 1907 Nobel Prize in Physics for his optical precision work.
Key Facts
1.Nobel Prize in Physics in 1907
2.Known for the Michelson interferometer
3.Precision work on light and optics
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"The scientist who made light one of physics’ most precise tools."