An Introductory Quiz On Properties Of Stars And Their Stellar Evolution

18 Questions
An Introductory Quiz On Properties Of Stars And Their Stellar Evolution

We all love looking at the beautiful stars shining on in the night sky. Nerdy people like me love analyzing the properties of these said stars and how they have evolved over time. Want to become like me? Take the quiz and learn the beauty of Astronomy.

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Questions and Answers
  • 1. 
    Examine the electromagnetic radiation spectrum and answer the following question. Which of the following waves has a longer wavelength?
    • A. 

      Red Light

    • B. 

      Microwaves

    • C. 

      X-rays

    • D. 

      UV Rays

  • 2. 
    The basic difference in all of these waves of energy is...
    • A. 

      Different wavelengths

    • B. 

      Different Frequencies

    • C. 

      Different Amounts of Energy

    • D. 

      All of the above

  • 3. 
    Using the diagram below, which of the following types of electromagnetic radiation carries the most energy?
    • A. 

      Radio Waves

    • B. 

      Yellow Light

    • C. 

      Infrared

    • D. 

      X-rays

    • E. 

      Gamma Rays

  • 4. 
    Using the diagram below, approximately what is the wavelength of the visible light we see on earth emitted by our Sun?  
    • A. 

      475 nm

    • B. 

      575 nm

    • C. 

      675 nm

    • D. 

      775 nm

  • 5. 
    Which of the following stars would you expect to have the highest temperature?
    • A. 

      Red Giants

    • B. 

      Red Main Sequence Stars

    • C. 

      Yellow stars

    • D. 

      Blue Stars

  • 6. 
    T = 3 x106 / λmUsing Wein's Law (posted above) and the continuous spectrum with wavelengths, which of the following would be incorrect for the following stars:Blue Star - 7500 KYellow Star - 5500 KRed Star - 10, 000 K   
    • A. 

      Blue Star

    • B. 

      Yellow Star

    • C. 

      Red Star

    • D. 

      NONE. They are all correct

  • 7. 
    Which of the following sets of two stars could have the same temperature? Use the following HR Diagram to help.
    • A. 

      Red Giants and White dwarfs

    • B. 

      Yellow Main sequence star and white dwarfs

    • C. 

      Red Main Sequence star and a Red Giant

    • D. 

      Red Giants and a blue main sequence star

  • 8. 
    Using the HR Diagram below, which of the following statements is NOT true?
    • A. 

      All stars in the main sequence have the same temperature.

    • B. 

      Red Giants are larger in diameter than main sequence stars.

    • C. 

      Dwarf stars can have the same temperatures of main sequence stars.

    • D. 

      The hotter a star gets, the more energy it emits.

  • 9. 
    Which of the following stars listed below emits the most energy?
    • A. 

      Red SuperGiants

    • B. 

      Red Giants

    • C. 

      Red Main Sequence Stars

    • D. 

      Blue Stars

  • 10. 
    Examine the diagram below of an excited electron of an helium atom returning to its normal "state." If the wavelength of energy emitted was 586, what color of light would we see from ?
    • A. 

      Red

    • B. 

      Orange

    • C. 

      Yellow

    • D. 

      Blue

  • 11. 
    The beginning of stars have which of the following undergoing fusion in their cores?
    • A. 

      Hydrogen

    • B. 

      Helium

    • C. 

      Carbon

    • D. 

      Iron

  • 12. 
    A star this cool and very luminous must have...
    • A. 

      A very large radius

    • B. 

      A very small radius

    • C. 

      Blue light emitted

    • D. 

      A high temperature

  • 13. 
    If Alpha Centauri is a lot like our own Sun, which of the following must be true?
    • A. 

      Both emit light most strongly at around 500 nm

    • B. 

      Both have similar temperatures

    • C. 

      Both have similar sizes

    • D. 

      All of the above

  • 14. 
    Small mass stars could end up as which of the following?
    • A. 

      Supernova Explosions

    • B. 

      Neutron Stars

    • C. 

      Black Dwarfs

    • D. 

      Planetary nebulae

  • 15. 
    Large mass stars could end up as which of the following?
    • A. 

      White Dwarfs

    • B. 

      Planetary Nebulae

    • C. 

      Protostars

    • D. 

      Black Holes

  • 16. 
    TRUE OR FALSE The following diagram represents what our Sun will experience over its life time (reading from left to right as younger to oldest). 
    • A. 

      TRUE

    • B. 

      FALSE

  • 17. 
    Which of the following best describes what's in the picture?
    • A. 

      Nebulae as a result of a supernova explosion

    • B. 

      Formation of a Red Giant

    • C. 

      Formation of a protostar

    • D. 

      Remnant of a dieing white dwarf

  • 18. 
    If the following cloud of hydrogen gas undergoes compression from gravity, what could happen?
    • A. 

      Hydrogen Fusion

    • B. 

      Accretion (clumping together of hydrogen gas into larger sums)

    • C. 

      Formation of a protostar

    • D. 

      All of the above