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Extreme Deep Field – XDF

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NASA recently published pictures of the most detailed universe ever taken. Called the eXtreme Deep Field, or XDF, the photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field.

The universe is 13.7 billion years old, and the XDF reveals galaxies that span back 13.2 billion years in time.  The youngest galaxy found in the XDF existed just 450 million years after the universe’s birth in the big bang.

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