Stars And Galaxies Noel Core 3

35 Questions | Total Attempts: 37

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Star Quizzes & Trivia

Questions and Answers
  • 1. 
    The positions of the constellations appear to change throughout the year because ____. 
    • A. 

      Earth revolves around the Moon

    • B. 

      Earth revolves around the Sun

    • C. 

      The constellations revolve around Earth

    • D. 

      The Sun revolves around Earth

  • 2. 
    Its _________________ makes Sirius the brightest star in the sky.
    • A. 

      Apparent magnitude

    • B. 

      Parallax

    • C. 

      Color

  • 3. 
    The distances to nearby stars can be measured by using ______________. 
    • A. 

      Absolute magnitude

    • B. 

      Parallax

  • 4. 
    About 90% of the stars in space are ___________________ stars.
    • A. 

      Nebula

    • B. 

      Giant

    • C. 

      Main sequence

    • D. 

      White dwarf

  • 5. 
    The hottest stars in space are __________ color.
    • A. 

      Yellow

    • B. 

      Red

    • C. 

      Blue

  • 6. 
    A main sequence star becomes a _________ after it uses up the hydrogen in its core.
    • A. 

      Nebula

    • B. 

      Supernova

    • C. 

      Red Giant

  • 7. 
    The Sun produces energy by fusing hydrogen atoms into ________ atoms in its core.
    • A. 

      Carbon

    • B. 

      Helium

  • 8. 
    A galaxy that has a shape similar to a football is a(n) _____________ galaxy.
    • A. 

      Normal spiral

    • B. 

      Barred spiral

    • C. 

      Elliptical

  • 9. 
    Although it has a greater ____ than Sirius, Rigel does NOT look as bright in the night sky. 
    • A. 

      Apparent magnitude

    • B. 

      Parallax

    • C. 

      Absolute magnitude

  • 10. 
    A _______ is a region so dense that nothing, including light, can escape its gravity field.
    • A. 

      Supernova

    • B. 

      White dwarf

    • C. 

      Black hole

  • 11. 
    Dark, cooler areas of the Sun's surface are called ___________.
    • A. 

      Sunspots

    • B. 

      Solar flares

  • 12. 
    The coolest stars in the sky are _______ in color.
    • A. 

      Yellow

    • B. 

      Red

    • C. 

      Blue

  • 13. 
    A group of stars, gas, and dust held together by gravity is a
    • A. 

      Galaxy

    • B. 

      Constellation

    • C. 

      Local Group

  • 14. 
    _________ are patterns of stars in the sky.
    • A. 

      Galaxies

    • B. 

      Constellations

    • C. 

      Star clusters

  • 15. 
    As Earth travels in its ____________, different constellations are visible at different times of the year.
    • A. 

      Atmosphere

    • B. 

      Orbit

  • 16. 
    A measure of the amount of light given off by a star is its ___________________
    • A. 

      Apparent magnitude

    • B. 

      Absolute magnitude

  • 17. 
    A measure of the amount of light received on Earth is a star's  _________________.
    • A. 

      Apparent magnitude

    • B. 

      Absolute magnitude

  • 18. 
    ______________ is the apparent shift in the position of an object when viewed from two different locations.
    • A. 

      Apparent magnitude

    • B. 

      Absolute magnitude

    • C. 

      Parallax

  • 19. 
    A star begins as a ___________, a large cloud of gas and dust.
    • A. 

      Nebula

    • B. 

      Giant

  • 20. 
    The Sun produces energy in its core by fusing hydrogen into _______________.
    • A. 

      Carbon

    • B. 

      Helium

  • 21. 
    Our Sun is considered average because it is in the _______ range of the H-R diagram.
    • A. 

      White dwarf

    • B. 

      Red giant

    • C. 

      Main sequence

  • 22. 
    The spiral shape of the Milky Way Galaxy CANNOT be seen from Earth because _________________.
    • A. 

      We are located above the galaxy

    • B. 

      We are located within one of its spiral arms

  • 23. 
    The ____________ states that between 15 and 20 billion years ago, the universe began expanding outward after an enormous explosion.
    • A. 

      H-R Diagram

    • B. 

      Binary Star theory

    • C. 

      Big Bang theory

  • 24. 
    A red shift in the spectrum of the light from an object indicates the object is moving _________________ you.
    • A. 

      Away from

    • B. 

      Toward

  • 25. 
    A galaxy type without a definite shape is called a(n) ___________________.
    • A. 

      Elliptical galaxy

    • B. 

      Irregular galaxy

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