This clip takes an illustrative look at the Universe's past, starting when it was only half a billion years old. This far back in time, our Milky Way may have just formed. However, the Earth only made an appearance just under 8.5 billion years later.
More information and download options: http://www.spacetelescope.org/videos/hubblecast68c/
NASA, ESA, M. Kornmesser
Music: Zero Project