What Is the Scientific Explanation for the Big Bang?

Discover the scientific reasoning behind the Big Bang Theory, its evidence, and its implications for understanding the universe.

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The Big Bang Theory explains the origin of the universe as a massive expansion from a singular, extremely hot and dense point approximately 13.8 billion years ago. This expansion resulted in the cooling of the universe, the formation of subatomic particles, and eventually the development of stars and galaxies. Cosmic Microwave Background Radiation and the redshift of distant galaxies provide strong evidence supporting this theory.

FAQs & Answers

  1. What evidence supports the Big Bang Theory? Key evidence includes Cosmic Microwave Background Radiation and the observed redshift of distant galaxies.
  2. How did the universe form after the Big Bang? The universe cooled, leading to the formation of subatomic particles, stars, and galaxies.
  3. What is Cosmic Microwave Background Radiation? It's the thermal radiation filling the universe, a remnant from the early hot stages post-Big Bang.
  4. What does redshift tell us about the universe? Redshift indicates that distant galaxies are moving away from us, supporting the expansion of the universe.

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