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Explain the salient features of the Big Bang Theory. -

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Question

Explain the salient features of the Big Bang Theory.

Answer in Brief

Solution

According to the Big Bang Theory,

  1. The universe was a hot dense matter.
  2. 13.7 billion years ago, an explosion occurred.
  3. All the matter is ejected in all directions in the form of galaxies.
  4. The galaxies consist of stars that are held together by gravity.
  5. The stars explode and planets are liberated throughout the Universe.
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