Section #: 31.2 Other Galaxies in the Universe

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

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