Section #: 31.2 Other Galaxies in the Universe

Practice Test
      
  1.Which galaxy shape is not a part of Hubble's classification system? SC.E.2.4.2  
  a.   elliptical  
  b.   spiral  
  c.   irregular  
  d.   spherical  
  Hint    
      
  2.The smallest galaxies are called __________ and the largest are called __________. SC.E.2.4.2  
  a.   irregular, ellipticals  
  b.   dwarf spirals, giant ellipticals  
  c.   dwarf ellipticals, giant spirals  
  d.   dwarf ellipticals, giant ellipticals  
  Hint    
      
  3.What was the first galaxy to be discovered outside of Earth's galaxy? SC.E.2.4.2  
  a.   the Local Group  
  b.   the Virgo  
  c.   the Andromeda Galaxy  
  d.   the Sagittarius Galaxy  
  Hint    
      
  4.Galaxies are organized into large groups called __________. SC.E.2.4.2  
  a.   variable galaxies  
  b.   solar systems  
  c.   super galaxies  
  d.   superclusters  
  Hint    
      
  5.Most of the mass in cluster galaxies is __________. SC.E.2.4.2  
  a.   pulsating  
  b.   visible  
  c.   spinning  
  d.   invisible  
  Hint    
      
  6.How did Hubble categorize galaxies? SC.E.2.4.2  
  a.   distance from the Milky Way  
  b.   shapes  
  c.   luminosity  
  d.   pulsating variable stars  
  Hint    
      
  7.Galaxies that are extremely bright are called __________. SC.E.2.4.2  
  a.   active galactic nuclei  
  b.   spiral galaxies  
  c.   superclusters  
  d.   radio galaxies  
  Hint    
      
  8.The redshift of quasars measures __________. SC.E.2.4.3  
  a.   their shape  
  b.   their intensity  
  c.   their distance from Earth  
  d.   their age of formation  
  Hint    

 
   
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