Today we heard from Don York, professor of astronomy at the University of Chicago, and the founding director of the Sloan Digital Sky Survey. He spoke with us about the history of astronomy, particularly in the optical wavelengths. 

We learned about the anatomy of a telescope, and its development over time.  <br /><br /><a href="http://schoolblogs.cuip.net/nikolaus/wp-content/uploads/sites/11/2013/07/20130716-151508.jpg"><img src="http://schoolblogs.cuip.net/nikolaus/wp-content/uploads/sites/11/2013/07/20130716-151508.jpg" alt="20130716-151508.jpg" class="alignnone size-full" /></a>