Astronomy Terms Quiz

19 Questions | Total Attempts: 132

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Astronomy Quizzes & Trivia

A quiz on astronomical terms. Reasonably hard at times and 20 questions long. Also you only get a half minute per question.


Questions and Answers
  • 1. 
    What is the process by which small particles coalesce to form planets or satellites?
    • A. 

      Oblate

    • B. 

      Conjunction

    • C. 

      Combination

    • D. 

      Accretion

    • E. 

      Declination

  • 2. 
    What is the point 90 degrees from the horizon directly above an observer referred to?
    • A. 

      Nadir

    • B. 

      Parsec

    • C. 

      Syzygy

    • D. 

      Solstice

    • E. 

      Zenith

  • 3. 
    The study of how the universe was formed is what?
  • 4. 
    The study of the properties, processes, and evolution of the universe is what?
  • 5. 
    What is a pattern of stars that is not a constellation known as?
    • A. 

      Group

    • B. 

      Nebula

    • C. 

      Asterism

    • D. 

      Sidereal

    • E. 

      Umbra

  • 6. 
    Most planets appear to spin eastward, like the earth.  However some don't and that apparent westward rotation is known as -------- motion
    • A. 

      Synchronous

    • B. 

      Parallax

    • C. 

      Prominent

    • D. 

      Retrograde

    • E. 

      Backward

  • 7. 
    The angle of an object eastward from  the vernal equinox along the celestial equator and is the equivalent of celestial longitude is what?
    • A. 

      Right ascension

    • B. 

      Left ascension

    • C. 

      Parallax

    • D. 

      Eclptic

    • E. 

      Declination

  • 8. 
    What is the full name of the H-R Diagram
    • A. 

      Heat-Radiation Diagram

    • B. 

      Hertzsprung-Russell Diagram

    • C. 

      Halley-Russell Diagram

    • D. 

      Hawking-Ryans Diagram

    • E. 

      Herschel-Roberts Diagram

  • 9. 
    What term gives the distance from the center of a collapsing star where not even light can escape from the gravitational pull? (two words)
  • 10. 
    True or False? Spring tides occur at the new moon and full moon most frequently.
  • 11. 
    What is the minimum required mass of a black hole? (in solar masses)
  • 12. 
    What is the point in a black hole where space and time are infinitely distorted and the density is infinite (for all mathmatical purposes) known as?
  • 13. 
    What is the time it takes a the moon to complete one cycle of its phases as seen from earth known as?  (not a number of days or "lunar")
  • 14. 
    Which is the word that has the least relation to the others?
    • A. 

      Solar

    • B. 

      Umbra

    • C. 

      Albedo

    • D. 

      Lunar

    • E. 

      Eclipse

  • 15. 
    What is the distance from a planet where the planet's gravity will literally tear a certain object apart is known as what?
  • 16. 
    IsWhich of Kepler's laws says that an imaginary line joining a planet to the sun sweeps out equal areas of an ellipse over equal intervals of time?
    • A. 

      1st

    • B. 

      2nd

    • C. 

      3rd

    • D. 

      4th

    • E. 

      5th

  • 17. 
    Which of Kepler's laws says that each planet moves about the Sun in an orbit that is an ellipse with the Sun at one of the foci of said ellipse?
    • A. 

      1st

    • B. 

      2nd

    • C. 

      3rd

    • D. 

      4th

    • E. 

      5th

  • 18. 
    Which of Kepler's laws says that the square of the period of revolution of a planet is in direct proportion to the cube of the semimajor axis of its orbit?
    • A. 

      1st

    • B. 

      2nd

    • C. 

      3rd

    • D. 

      4th

    • E. 

      5th

  • 19. 
    Name one of the 5 major layers of the sun