Mar 3, 2013

Edwin Hubble


http://en.wikipedia.org/wiki/Edwin_Hubble
http://www.edwinhubble.com/
http://www.infoplease.com/biography/var/edwinhubble.html
http://www.fi.edu/learn/case-files/hubble/
https://www.spacetelescope.org/about/history/the_man_behind_the_name/
http://www.britannica.com/EBchecked/topic/274489/Edwin-Powell-Hubble

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