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

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