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Stars and HR Diagrams

Quiz by Rachel Rangel

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18 questions
Show answers
  • Q1
    Where do main sequence stars lie on the Hertzsprung-Russell diagram?
    In a diagonal band from the top left to the bottom right
    In a circular pattern in the center
    In a horizontal band along the top
    In a vertical band along the right side
    30s
  • Q2
    What does the luminosity of a star indicate on the Hertzsprung-Russell diagram?
    The age of the star
    The size of the star
    The color of the star
    The brightness of the star
    30s
  • Q3
    What property is plotted on the x-axis of the Hertzsprung-Russell diagram?
    Size
    Temperature
    Brightness
    Age
    30s
  • Q4
    Which type of star is located in the top right corner of the Hertzsprung-Russell diagram?
    Giant stars
    Main sequence stars
    Red dwarfs
    White dwarfs
    30s
  • Q5
    What does the y-axis of the Hertzsprung-Russell diagram represent?
    Temperature
    Size
    Age
    Luminosity
    30s
  • Q6
    What can be inferred about a star located at the bottom left of the Hertzsprung-Russell diagram?
    It is a hot and dim star
    It is a young and massive star
    It is a red giant star
    It is a hot and bright star
    30s
  • Q7
    What does the Hertzsprung-Russell diagram help astronomers understand about stars?
    The relationship between temperature, luminosity, and evolutionary stage of stars
    The rotation speed of stars
    The gravitational pull exerted by stars
    The distance of stars from Earth
    30s
  • Q8
    Where are the red giant stars located on an HR diagram?
    Bottom right corner
    Top right corner
    Top left corner
    Bottom left corner
    30s
  • Q9
    Which types of stars are the hottest?
    red dwarfs
    blue giants
    yellow dwarfs
    red giants
    30s
  • Q10
    According to the diagram, which type of star has the most luminosity?
    Question Image
    hot white dwarf
    cool super giant
    hot main sequence star
    cool giant
    30s
  • Q11
    According to the diagram, which is the coolest and brightest star?
    Question Image
    Alpha Centauri B
    Betelgeuse
    Vega
    Sirius B
    30s
  • Q12
    According to the diagram, which White Dwarf star is hotter than the Sun?
    Question Image
    Aldeberan
    Betelguese
    Sirius B
    Vega
    30s
  • Q13
    Which type of stars are represented at location E?
    Question Image
    main sequence
    red super giants
    blue giants
    white dwarf stars
    30s
  • Q14
    During a star's life cycle, it can become a white dwarf, black hole, or neutron star. What determines what it will become?
    color
    luminosity
    temperature
    mass
    30s
  • Q15
    Why do some stars appear brighter in the sky, despite their distance from Earth?
    They are different colors.
    They have different surface temperatures.
    They have higher absolute magnitudes.
    Their orbit is closer to Earth.
    30s

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