3 Key Facts About the Big Bang Theory Explained

Discover three essential facts about the Big Bang theory that shaped our understanding of the universe.

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The Big Bang theory posits that the universe began from a single, extremely dense and hot point about 13.8 billion years ago. Cosmic Background Radiation serves as a major evidence, being the afterglow from the initial explosion. Lastly, the theory explains the expansion of the universe, where galaxies are moving away from each other, a phenomenon still occurring today.

FAQs & Answers

  1. What is the Big Bang theory? The Big Bang theory is a cosmological model that describes the early development of the universe as beginning from a hot, dense point around 13.8 billion years ago.
  2. What evidence supports the Big Bang theory? Key evidence includes the Cosmic Background Radiation, which is the afterglow from the Big Bang, and the observed expansion of the universe.
  3. How does the Big Bang explain the expansion of the universe? The Big Bang theory explains that the universe has been expanding ever since its inception, with galaxies continually moving away from each other.

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If you're intrigued by the origins of our universe, check out our other videos on cosmic events and theories in astronomy to deepen your understanding.

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