1 A) distance from the Milky Way B) shapes C) luminosity D) pulsating variable stars 2 A) their shape B) their age of formation C) their intensity D) their distance from Earth 3 A) quasars B) radio galaxies C) the inflationary universe model D) Earth's universe is expanding. 4 A) active galactic nuclei B) superclusters C) radio galaxies D) spiral galaxies 5 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078664233/184123/183_galaxy_ca_310c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (19.0K)</a>]]> A) B B) A C) D D) C 6 A) the Andromeda Galaxy B) the Virgo C) the Sagittarius Galaxy D) the Local Group 7 A) superclusters B) variable galaxies C) super galaxies D) solar systems 8 A) spiral B) elliptical C) spherical D) irregular 9 A) pulsating B) visible C) spinning D) invisible 10 A) dwarf ellipticals, giant ellipticals B) dwarf spirals, giant ellipticals C) dwarf ellipticals, giant spirals D) irregular, ellipticals 11 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078664233/184123/183_galaxy_ca_310c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (19.0K)</a>]]> A) B B) C C) D D) A
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