Universe Composition and Stars Quiz
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Questions and Answers

What is the term for the event in Big Bang Nucleosynthesis that involves the formation of new atomic nuclei from pre-existing nuclei?

  • Matter domination
  • Inflationary epoch
  • Radiation
  • Formation of light elements (correct)
  • Which event in the Big Bang Nucleosynthesis marks the time when matter began to dominate after the radiation era?

  • Formation of light elements
  • Formation of the Universe
  • Birth of stars and galaxies (correct)
  • Big Bang singularity
  • What comes after the inflationary epoch in the sequence of events during the Big Bang Nucleosynthesis?

  • Formation of light elements (correct)
  • Radiation
  • Matter domination
  • Birth of stars and galaxies
  • Which event in the Big Bang Nucleosynthesis is characterized by distinct gravity forces, strong and weak nuclear forces, and electromagnetic forces?

    <p>Formation of the Universe</p> Signup and view all the answers

    What is the term for the first event after the inflationary epoch in the Big Bang Nucleosynthesis?

    <p>Formation of light elements</p> Signup and view all the answers

    Which event in the Big Bang Nucleosynthesis follows after matter domination from radiation?

    <p>Formation of light elements</p> Signup and view all the answers

    What type of matter in the universe is responsible for causing the universe to expand/accelerate?

    <p>Dark energy</p> Signup and view all the answers

    Who is credited for determining the existence of galaxies beyond the Milky Way?

    <p>Edwin Hubble</p> Signup and view all the answers

    Which pair of scientists observed the Cosmic Microwave Background Radiation (CMBR)?

    <p>Arno Penzias and Robert Wilson</p> Signup and view all the answers

    What is the primary evidence used to support the Big Bang theory regarding the expansion of space?

    <p>Cosmic Microwave Background Radiation (CMBR)</p> Signup and view all the answers

    Which star is often referred to as Rigil Kentaurus?

    <p><strong>Alpha Centauri A</strong></p> Signup and view all the answers

    Who is known for proposing the Big Bang Theory?

    <p><strong>George Lemaitre</strong></p> Signup and view all the answers

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