Sources Cited for Astronomer Biography

Works Cited

"The Astronomical Revolution Didn't Start here!" The Renaissance Mathematicus. N.p., n.d. Web. 15 Oct. 2013. <http://thonyc.wordpress.com/2011/05/30/the-astronomical-revolution-didn%E2%80%99t-start-here/>.

"Georg Peurbach." Peurbach Biography. N.p., n.d. Web. 15 Oct. 2013. <http://www-history.mcs.st-and.ac.uk/Biographies/Peurbach.html>.

"Georg Von Peuerbach (Austrian Mathematician)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 15 Oct. 2013. <http://www.britannica.com/EBchecked/topic/454669/Georg-von-Peuerbach>.

Van, Helden Albert. Measuring the Universe: Cosmic Dimensions from Aristarchus to Halley. Chicago: University of Chicago, 1985. Print.