What is the Michelson-Morley experiment?

The Michelson-Morley experiment was a groundbreaking physics experiment conducted in 1887 to determine the existence of the luminiferous aether, which led to the development of Einstein's theory of relativity. Learn more about this historic experiment and its impact on scientific understanding.

What is the Michelson-Morley experiment?
Jack Oct-29-2024 09:00:06
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What is the Michelson-Morley experiment?

The Michelson-Morley experiment was a groundbreaking physics experiment conducted in 1887 by Albert A. Michelson and Edward W. Morley. The purpose of the experiment was to determine the existence of the luminiferous aether, a hypothetical substance thought to be the medium through which light waves propagate.

Michelson-Morley Apparatus

The Michelson-Morley apparatus consisted of an interferometer, which split a beam of light into two perpendicular paths and then recombined them to produce an interference pattern. By measuring any changes in the interference pattern as the Earth moved through the supposed aether, the researchers hoped to detect the presence of this elusive medium.

Scientific Impact

However, to their surprise, the Michelson-Morley experiment yielded a null result. The interference pattern remained unchanged regardless of the Earth's motion around the sun. This unexpected outcome posed a significant challenge to the aether hypothesis and paved the way for Albert Einstein's theory of relativity, revolutionizing our understanding of space, time, and the nature of light.

The Michelson-Morley experiment is considered one of the most important experiments in the history of physics, highlighting the power of experimental physics in shaping scientific theories and challenging long-held beliefs.

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Indiana
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answered 29 Oct 2024

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