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 (A)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

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

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

Which star is often referred to as Rigil Kentaurus?

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

Who is known for proposing the Big Bang Theory?

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

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