Farthest Ever View of the Universe Assembled by Combining 10 Years of NASA Hubble Space Telescope Photographs
ScienceDaily (Sep. 25, 2012) — Like photographers assembling a portfolio of best shots, astronomers have assembled a new, improved portrait of humankind's deepest-ever view of the universe.
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 XDF is a small fraction of the angular diameter of the full Moon.
The Hubble Ultra Deep Field is an image of a small area of space in the constellation Fornax, created using Hubble Space Telescope data from 2003 and 2004. By collecting faint light over many hours of observation, it revealed thousands of galaxies, both nearby and very distant, making it the deepest image of the universe ever taken at that time.
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