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Stages in the Formation of Stars
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Stages in the Formation of Stars

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@TriumphantHarpy

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Questions and Answers

Which stage represents a star's birth place?

  • Red Giant
  • Protostar
  • Main Sequence Star
  • Nebula (correct)

    • What is a T Tauri Star?

  • A young, low weight star undergoing gravitational contraction (correct)
  • An early stage of star formation where nuclear fusion is yet to begin
  • A stage where the core temperature is enough to start fusion reactions
  • A star formed during the later stages of evolution as it runs out of hydrogen fuel

    • What occurs at the Main Sequence Star stage?

  • Start of fusion reactions, fusing hydrogen atoms to form helium atoms (correct)
  • Gravitational contraction of the star
  • Formation of a star's birth place
  • Fusion of helium molecules at the core

    • During which stage does a star run out of hydrogen fuel at its core?

    <p>Red Giant</p> Signup and view all the answers

    What prevents the core from collapsing as a star expands?

    <p>Fusion of helium molecules at the core</p> Signup and view all the answers

    At which stage does fusion of carbon begin?

    <p>Red Giant</p> Signup and view all the answers

    What is the result of the iron fusion reaction in stars?

    <p>It causes the core to collapse</p> Signup and view all the answers

    What is the outer layer of gas and dust that is lost when a star changes from Red Giant to White Dwarf called?

    <p>Planetary Nebula</p> Signup and view all the answers

    What are the inner planets also known as due to their composition?

    <p>Terrestrial planets</p> Signup and view all the answers

    What are the other four planets in our solar system mainly composed of?

    <p>Helium and hydrogen</p> Signup and view all the answers

    What is Pluto now classified as in our solar system?

    <p>Dwarf planet</p> Signup and view all the answers

    How many moons does Saturn have?

    <p>About 53</p> Signup and view all the answers

    What word means 'companion' and refers to natural objects orbiting around planets?

    <p>Satellite</p> Signup and view all the answers

    How long does the moon take for both its rotation and revolution around the earth?

    <p>~27 days</p> Signup and view all the answers

    What is believed to be the result of a giant impact called 'big splat'?

    <p>'Big splat' led to the formation of the moon</p> Signup and view all the answers

    What causes the white dwarf to become a black dwarf?

    <p>Stop emitting light</p> Signup and view all the answers

    What is the significance of a T Tauri Star in the formation of stars?

    <p>It represents a stage between a protostar and a low mass main sequence star</p> Signup and view all the answers

    At which stage does a star run out of hydrogen fuel at its core and begin fusion of helium?

    <p>Red Giant</p> Signup and view all the answers

    What prevents the core from collapsing as a star expands and fuses helium into heavier elements?

    <p>Helium fusion</p> Signup and view all the answers

    During which stage does fusion of carbon begin in the core of a star?

    <p>Main Sequence Star</p> Signup and view all the answers

    What represents the birth place of a star where nuclear fusion has not yet begun?

    <p>Protostar</p> Signup and view all the answers

    At which stage does a star's core temperature become sufficient to start fusion reactions, fusing hydrogen atoms to form helium atoms?

    <p>Main Sequence Star</p> Signup and view all the answers

    What is the result of the implosion caused by the iron fusion reaction in massive stars?

    <p>Production of supernovae</p> Signup and view all the answers

    Which celestial body obtains the brightness of 100 million suns for a short time?

    <p>Supernovae</p> Signup and view all the answers

    What is the moon's status in terms of size among the natural satellites in the solar system?

    <p>Fifth largest</p> Signup and view all the answers

    What is suggested to be the result of the giant impact called 'big splat'?

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

    At which stage does a star run out of hydrogen fuel at its core?

    <p>Red Giant stage</p> Signup and view all the answers

    What is a dwarf planet in our solar system?

    <p>&quot;Pluto&quot;</p> Signup and view all the answers

    What is the outer layer of gas and dust lost when a star changes from Red Giant to White Dwarf known as?

    <p>&quot;Planetary Nebula&quot;</p> Signup and view all the answers

    What is the composition of the other four planets in our solar system mainly made up of?

    <p>&quot;Helium and hydrogen&quot;</p> Signup and view all the answers

    During which stage of a star's life does it stop emitting light and become a black dwarf?

    <p>&quot;White Dwarf&quot; stage</p> Signup and view all the answers

    What prevents the core from collapsing as a star expands?

    <p>Radiation pressure</p> Signup and view all the answers

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