The Formation of the Universe
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Questions and Answers

According to the Big Bang Theory, how old is the universe?

  • Around 2.5 billion years
  • Around 7.3 billion years
  • Around 4.5 billion years
  • Around 13.7 billion years (correct)

What are the fundamental particles mentioned in the Big Bang Theory?

  • Photons, electrons, and neutrinos
  • Neutrons, electrons, and protons (correct)
  • Positrons, quarks, and leptons
  • Atoms, molecules, and compounds

What does the Steady State Theory propose about the universe?

  • It is always expanding at a constant average density (correct)
  • It is always expanding at an increasing rate
  • It is constantly shrinking in size
  • It is in a state of equilibrium

What do the cosmological events explain?

<p>The formation of the solar system (B)</p> Signup and view all the answers

Which theory proposes that the universe is always expanding in a constant average density?

<p>Steady State Theory (A)</p> Signup and view all the answers

What is the prevailing cosmological model for the early development of the universe?

<p>The Big Bang Theory (C)</p> Signup and view all the answers

According to the Big Bang Theory, when did the massive explosion that formed the universe occur?

<p>13.7 billion years ago (B)</p> Signup and view all the answers

What are the fundamental particles mentioned in the Big Bang Theory?

<p>Neutrons, electrons, and protons (A)</p> Signup and view all the answers

What is the prevailing cosmological model for the early development of the universe?

<p>Big Bang Theory (B)</p> Signup and view all the answers

What do the cosmological events explain?

<p>How the universe expanded (C)</p> Signup and view all the answers

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