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Edwin Powell Hubble: Revolutionizing the Field of Astronomy

Early Life and Contributions

Edwin Powell Hubble (November 20, 1889 - September 28, 1953) was an American astronomer who played a pivotal role in establishing the field of extragalactic astronomy. His groundbreaking discoveries transformed our understanding of the universe.

Expansion of the Universe

Using the Hooker Telescope at Mount Wilson Observatory, Hubble observed that distant galaxies were receding from Earth at speeds proportional to their distance. This led to the formulation of the Hubble Law, which hinted at the expansion of the universe. His work revolutionized cosmic theory and laid the foundation for the Big Bang theory.

Variable Stars and Distance Measurement

Hubble's studies of variable stars, particularly Cepheid variables, enabled him to estimate the distance to nearby galaxies. This technique became crucial for measuring cosmic distances and understanding the distribution of galaxies.

Hubble Space Telescope

After Hubble's death, the Hubble Space Telescope was launched in 1990. Named in his honor, the telescope has expanded our knowledge of the universe, providing stunning images of distant galaxies and exoplanets.

Legacy and Impact

Edwin Hubble's groundbreaking research revolutionized astrophysics and cosmology. His discoveries transformed our understanding of the universe's size, age, and evolution. His legacy continues to inspire generations of astronomers and scientists who seek to unravel the mysteries of the cosmos.

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