Understanding the Big Bang Theory: A Brief Overview

Explore the origin of the universe with the Big Bang theory explained simply.

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The Big Bang theory describes the origin of the universe, proposing it began as a singularity approximately 13.8 billion years ago. This singularity expanded, causing space to stretch and cool, eventually allowing matter to form and coalesce into stars, galaxies, and planets. Key evidence includes cosmic microwave background radiation and the observable expansion of space, supporting the idea that the universe continues to evolve.

FAQs & Answers

  1. What evidence supports the Big Bang theory? Key evidence includes cosmic microwave background radiation and the observable expansion of the universe.
  2. How did the Big Bang lead to the formation of galaxies? After the initial expansion, the cooling universe allowed matter to coalesce, forming stars and galaxies over billions of years.
  3. What is a singularity in the context of the Big Bang? A singularity refers to a point in the universe's history where density and temperature were infinitely high, leading to the expansion described by the Big Bang theory.

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