Discovery of the Expanding Universe by Edwin Hubble (1929)
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In 1929, Edwin Hubble made
In 1929, Edwin Hubble made a monumental discovery that forever changed our understanding of the universe. Through meticulous observations using the Mount Wilson Observatory's powerful telescope, Hubble noticed that distant galaxies were moving away from us. This observation was contrary to the then-prevailing notion of a static universe.
Hubble's findings were based on the redshift of light from these galaxies, a phenomenon where light stretches into longer wavelengths as objects move away. He found a direct correlation between the distance of a galaxy and its speed of recession, leading to the formulation of Hubble's Law. This law states that the farther a galaxy is, the faster it moves away from us.
This discovery provided the first observational evidence for the expanding universe, supporting the Big Bang theory. It suggested that the universe had a beginning and has been expanding ever since. Hubble's work opened up new realms in cosmology, leading to profound implications for our understanding of the universe's origin, evolution, and ultimate fate.
Hubble's findings were based on the redshift of light from these galaxies, a phenomenon where light stretches into longer wavelengths as objects move away. He found a direct correlation between the distance of a galaxy and its speed of recession, leading to the formulation of Hubble's Law. This law states that the farther a galaxy is, the faster it moves away from us.
This discovery provided the first observational evidence for the expanding universe, supporting the Big Bang theory. It suggested that the universe had a beginning and has been expanding ever since. Hubble's work opened up new realms in cosmology, leading to profound implications for our understanding of the universe's origin, evolution, and ultimate fate.
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