4 Sep 2009, 00:00 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
At the center of our Milky Way galaxy is an area previously unseen by astronomers. Shrouded by clouds of swirling dusts and gases, before now our astronomers could only guess at what might lie behind this thick veil.