Types of Stars in the Universe
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Questions and Answers

What happens to white dwarf stars once they use up all their energy resources?

  • They explode in a supernova event.
  • They start nuclear fusion again.
  • They cool down and become black dwarfs. (correct)
  • They turn into neutron stars.

    • Why do white dwarf stars eventually become black dwarfs?

  • They run out of energy for nuclear fusion. (correct)
  • They increase in temperature significantly.
  • They transform into neutron stars.
  • They undergo a supernova event.

    • What is left behind after a supernova event?

  • A neutron star (correct)
  • A red giant
  • A white dwarf star
  • A main-sequence star

    • How can we describe our sun in terms of spectral classification?

    <p>G-class star</p> Signup and view all the answers

    At what stage of its lifecycle is the Sun currently in?

    <p>Mid-stage</p> Signup and view all the answers

    What is the approximate age of our Sun?

    <p>4.5 billion years</p> Signup and view all the answers

    What is a common characteristic of neutron stars?

    <p>Extremely dense core with only neutrons</p> Signup and view all the answers

    What differentiates the white dwarf star stage from the neutron star stage?

    <p>Neutron stars are still able to perform nuclear fusion.</p> Signup and view all the answers

    Which type of star is our Sun in relation to its size?

    <p>Average-sized star</p> Signup and view all the answers

    What happens to the surface temperature of white dwarf stars as they cool down?

    <p>It decreases.</p> Signup and view all the answers

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