The Big Bang and the Formation of the Universe
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Questions and Answers

When did the Universe burst forth with all its energy?

  • 13.8 billion years ago (correct)
  • 1.38 billion years ago
  • 13.8 million years ago
  • 1.38 million years ago

    • What happened as the Universe expanded?

  • It stayed the same temperature
  • It got colder (correct)
  • It got hotter
  • It fluctuated in temperature

    • What allowed atoms to form many different elements, including gold and silver?

  • Electrons
  • Protons
  • Gravity
  • Explosions (correct)

    • What happens to stars after they burn up all their matter?

    <p>They die in a huge explosion</p> Signup and view all the answers

    What happened when gravity pulled atoms close together?

    <p>They became stars</p> Signup and view all the answers

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