The galaxies in the XDF are not close together ? this image separates out the Hubble eXtreme Deep Field by the distances of objects within it.
The most distant objects within the XDF are more than 95% of the way back to the Big Bang, while a few stars in it are within the Milky Way - 13.2 billion years ago.
In the left pane are the closest objects - whose light has taken less than 5 billion years to reach us. In the center pane are objects whose light has taken 5 to 9 billion years to reach us, and in the right pane are objects whose light has taken more than 9 billion years to reach us, with the furthest of those having existed just 450 million years after the Universe?s birth in the Big Bang.
Looking back 13.2 billion years into the universe (pictures)
by CNET News.com | September 25, 2012, 5:00pm PDT | Image 3 of 4
Image 3 of 4
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