14 Jun 2014, 15:40 UTC
You don't have the right version of the adobe flash player to see this video. Please upgrade or install it at "http://get.adobe.com/flashplayer/"Subscribe to iTunes
Questions about the science and visualizations in the COSMOS series on FOX? Get the answers from Neil deGrasse Tyson and Dr. Steven Soter, co-writer of both COSMOS series.