That picture above is the deepest and most detailed view of the universe ever captured. It's called XDF, or eXtreme Deep Field, and was created using Hubble Telescope data from 2003 and 2004. It combines ten years of NASA Hubble Space photographs of a single sky sample into one full-color historic view of the galaxies. Hubble pointed at this patch of the constellation Fornax for fifty days, with an exposure time of 2 million seconds. A dazzling trip back in time, the image reveals almost 5,500 galaxies that include Andromeda, spirals similar to the Milky Way, along with remnants of galactic collisions. According to
