How Much Do You Know About the Birth of Stars?
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Questions and Answers

What is a nebula?

  • A cloud of interstellar gas and dust (correct)
  • A planet with a thick atmosphere
  • A star that has gone supernova
  • A black hole

What is fusion?

  • The process of high-energy particles being generated by fusion
  • The process of hydrogen nuclei fusing to form helium (correct)
  • The process of fusion energy driving particles inward
  • The process of electrons being stripped away from atoms

How long does it take for the process from interstellar cloud collapse to fusion ignition to occur?

  • 100 million years
  • 1 million years
  • 10 million years (correct)
  • 1 billion years

What happens when fusion occurs in a star?

<p>Energy is generated in the form of electromagnetic radiation, high-energy nuclear particles, and a tremendous amount of heat (D)</p> Signup and view all the answers

What determines the diameter and density of a star of any given mass?

<p>The balance between fusion energy and gravity (A)</p> Signup and view all the answers

What is the Orion Nebula?

<p>A birthplace and nursery for newborn stars (B)</p> Signup and view all the answers

What have astronomers detected in the Orion Nebula?

<p>Both simple and organic molecules (B)</p> Signup and view all the answers

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