Emily Kompanik
Period 5
Mrs. Stith
Work Cited Page
Kunzig, Robert. "Edwin Hubble: America's Cosmic Frontiersman." American History:Vol. 44 Issue 3, p58-63, 2009.
Sweitzer, James S. Ph.D. "Hubble, Edwin Powell." World Book Student. World Book, 2013. Web. 11 April 2013.
Period 5
Mrs. Stith
Work Cited Page
Kunzig, Robert. "Edwin Hubble: America's Cosmic Frontiersman." American History:Vol. 44 Issue 3, p58-63, 2009.
Sweitzer, James S. Ph.D. "Hubble, Edwin Powell." World Book Student. World Book, 2013. Web. 11 April 2013.