How Did Edwin Hubble Discover the Big Bang Theory?

Explore the key discoveries that led to the development of the Big Bang theory and its impact on cosmology.

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The discovery of the Big Bang theory was led by Edwin Hubble's observations in the 1920s, showing that galaxies are moving away from us, indicating the universe is expanding. Georges Lemaître further developed this idea, proposing that the universe began from a single primordial atom. These findings provided the foundational evidence for the Big Bang theory, reshaping our understanding of cosmology.

FAQs & Answers

  1. What is the Big Bang theory? The Big Bang theory explains the origin of the universe as an expansion from a singular point approximately 13.8 billion years ago.
  2. Who was Edwin Hubble? Edwin Hubble was an American astronomer whose observations provided evidence for the expanding universe, leading to the formulation of the Big Bang theory.
  3. How did Georges Lemaître contribute to the Big Bang theory? Georges Lemaître proposed that the universe began from a single primordial atom, further developing the Big Bang theory.
  4. Why is the Big Bang theory important? The Big Bang theory is crucial for understanding the evolutionary history of the universe and has influenced modern cosmological research.

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Interested in learning more about the universe's origins? Check out our related content on the evolution of cosmological theories and notable physicists like Edwin Hubble and Georges Lemaître.

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