Section #: 31.2 Other Galaxies in the Universe

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

McGraw-Hill / Glencoe
The McGraw-Hill Companies