Astronomy Practice Exam Quiz! Trivia

31 Questions | Total Attempts: 157

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Astronomy Practice Exam Quiz! Trivia

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Questions and Answers
  • 1. 
    In order to gather information about Mars, NASA has several satellites and rovers collecting information about the surface and its features. Mars Global Survey collected several spectra samples from the surface of Mars (Spectra A, B, C). Spectra of samples are pictured. What elements are present in spectra A?
    • A. 

      Sodium and Lithium

    • B. 

      Hydrogen and Lithium

    • C. 

      Sodium and Helium

    • D. 

      Hydrogen and Helium

  • 2. 
    In order to gather information about Mars, NASA has several satellites and rovers collecting information about the surface and its features. Mars Global Survey collected several spectra samples from the surface of Mars (Spectra A, B, C). Which element is detected in all three samples?
    • A. 

      Helium

    • B. 

      Hydrogen

    • C. 

      Sodium

    • D. 

      Lithium

  • 3. 
    What is the currently accepted theory for the formation of the moon?
    • A. 

      The moon formed by spinning off the Earth early in history

    • B. 

      The moon formed at the same time as Earth

    • C. 

      The moon was captured by the Earth’s gravity

    • D. 

      The moon formed from a collision between another body and the Earth

  • 4. 
    There are many hazards to consider when faced with the challenges of colonizing the moon. Check all of the hazards that apply to moon colonization.
    • A. 

      Lack of food and resources

    • B. 

      Radiation exposure

    • C. 

      Never being able to return to Earth

    • D. 

      Extreme temperature fluctuations

    • E. 

      Lack of liquid water

  • 5. 
    In a young solar system, new materials are added to planets by
    • A. 

      Convection

    • B. 

      Impacts and collisions of smaller objects

    • C. 

      Nuclear fusion

    • D. 

      supernovas

  • 6. 
    Leftovers from the formation of the solar system include 
    • A. 

      Asteroids

    • B. 

      Meteorites

    • C. 

      Comets

    • D. 

      Moons

  • 7. 
    Which depicts the best representation of largest to smallest ​when considering the scale and structure of the universe?
    • A. 

      Galaxy, nebula, solar system, star

    • B. 

      Galaxy, star, nebula, solar system

    • C. 

      Star, solar system, nebula, galaxy

    • D. 

      Solar system, nebula, star, galaxy

  • 8. 
    Which of the following is true when comparing the lifecycle of the sun as pictured to that of a massive star?
    • A. 

      The sun will eventually form a black hole

    • B. 

      Both stars will supernova

    • C. 

      The sun will contract white dwarf

    • D. 

      Both may turn into neutron stars

  • 9. 
    What can you infer about the temperature of the sun as it goes through its lifecycle?
    • A. 

      The temperature of the sun will increase with age

    • B. 

      The temperature will fluctuate as the sun goes through different stages

    • C. 

      The temperature of the sun will remain constant

    • D. 

      The temperature will decrease with age

  • 10. 
    Using the chart, infer the temperature the sun will be when it is in the white dwarf stage.
    • A. 

      Over 30,000 K

    • B. 

      7500-10,000 K

    • C. 

      6000 - 7500 K

    • D. 

      3700 -5200 K

  • 11. 
    What determines whether a main sequence star becomes a black hole or a black dwarf?
    • A. 

      The age of the star

    • B. 

      Where the star forms

    • C. 

      The mass of a star

    • D. 

      Whether it has planets or not

  • 12. 
    As the mass of a star increases, which of the following paths is a star most likely to follow?
    • A. 

      There is no relationship between mass and the path of a star

    • B. 

      Main sequence, red giant, white dwarf, black dwarf

    • C. 

      Main sequence, supergiant, supernova, black hole

    • D. 

      Main sequence, supergiant, white dwarf, black dwarf

  • 13. 
    The horsehead nebula is a cold, dark cloud of gas.  What would have to happen to a nebula in order to form a star and solar system? Check all that apply.
    • A. 

      The nebula must collapse

    • B. 

      The nebula rotates and flattens into a disk

    • C. 

      The gas particles in the center gain energy and heat up

    • D. 

      Nebulas are not related to solar system formation

  • 14. 
    If a star has a temperature of about 6500 K and an absolute magnitude of +3, what kind of star is it?
    • A. 

      Blue Star

    • B. 

      Yellow star

    • C. 

      Red dwarf

    • D. 

      Supergiant

    • E. 

      White dwarf

  • 15. 
    In a star like our sun, what sequence of letters from the HR diagram best depicts its lifecycle?
    • A. 

      B-A-C

    • B. 

      D-A-C

    • C. 

      D-E-A

    • D. 

      E-A-B

  • 16. 
    There is a balance between the force of gravity and the force of the reaction from fusion that keeps a star stable, which is called hydrostatic equilibrium. What could happen if this relationship becomes unbalanced?
    • A. 

      The star may break free of its galaxy

    • B. 

      Helium atoms begin breaking apart

    • C. 

      Stars never lose hydrostatic equilibrium

    • D. 

      The star may supernova due to an increased energy of fusion of heavier elements

  • 17. 
    Based on the data given, what inference can you make about sunspots?
    • A. 

      Although sunspots follow a predictable pattern, there is no connection of sunspots and solar storms.

    • B. 

      Solar storms were probably more prevalent in 1980 than in 1910

    • C. 

      Solar storms were probably more prevalent in 1965 than in 1935

    • D. 

      Sunspots follow an unpredictable cycle

  • 18. 
    Based on the data given, what prediction would you make for sunspot numbers in the year 2000?
    • A. 

      You cannot predict the number of sunspots based on the given data

    • B. 

      Sunspots would be at the midrange mark, possibly from 50-100 sunspots

    • C. 

      Sunspots would be near a maximum, with over 100 sunspots.

    • D. 

      Sunspots would be hovering at or near the zero mark

  • 19. 
    A solar flares are the result of the release of magnetic energy that has built up in the sun’s atmosphere. Solar flares emit radiation across the entire electromagnetic spectrum, from radio waves to gamma rays. This radiation is blasted from the surface of the sun and travels throughout space. Based on the information given, what effects would you expect to see on Earth from strong solar flares? 
    • A. 

      Power and electrical disturbances

    • B. 

      Problems with radio communications

    • C. 

      Satellite and cell phone disturbances

    • D. 

      Changes in the rotation of Earth

  • 20. 
    If a massive star like a blue star is 7,300,000 years old, what element is most likely being created from fusion?
    • A. 

      Iron

    • B. 

      Silicon

    • C. 

      Carbon

    • D. 

      Hydrogen

  • 21. 
    Our sun is predicted to last about 13 billion years, much longer than a blue giant star. What best describes the reason for the sun’s longer life span?
    • A. 

      Due to the sun’s lower mass, it fuses hydrogen at a slower rate than a blue giant star

    • B. 

      The sun will have a similar life span to a blue giant star

    • C. 

      Due to the sun’s lower mass, it fuses hydrogen at a faster rate

    • D. 

      Due to the sun’s higher mass, it fuses hydrogen at a slower rate

  • 22. 
    Which descriptions below, best describe fusion as it happens in our sun?
    • A. 

      Hydrogen and oxygen atoms undergo a combustion reaction

    • B. 

      Hydrogen atoms combine to make helium atoms

    • C. 

      Helium atoms split apart to form hydrogen atoms

    • D. 

      Hydrogen and oxygen atoms combine to make water molecules

  • 23. 
    Edwin Hubble used the Doppler effect to determine that the Universe is expanding.  He found that light from distant galaxies was shifted toward lower frequencies or the red end of the spectrum. Based on the spectrums, which of the galaxies are moving away from earth?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      None

  • 24. 
    Which Galaxy is moving the fastest from earth?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      Speed cannot be determined from the information given

  • 25. 
    The graph demonstrates Hubble’s Law by comparing the speed a galaxy is traveling (relative to the earth) to its distance from earth. Which best describes the relationship seen on the graph?
    • A. 

      As the distance of a galaxy from earth increases, its speed decreases

    • B. 

      As the distance of a galaxy from earth decreases, its speed increases

    • C. 

      As the distance of a galaxy from earth increases, its speed increases

    • D. 

      There is no relationship between galaxy speed and distance

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