The National Aeronautics and Space Administration's Hubble space Telescope has captured the deepest ever view of the universe, a photograph showing galaxies going back almost to the beginning of time. Hubble's latest view of the universe, called the eXtreme Deep Field, or XDF, is a photograph combining 10 years of data and showing about 5,500 galaxies, the oldest of which is about 13.2 billion years old, NASA said. The universe is estimated to be about 13.7 billion years old. "The XDF ...
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