Incredible Hubble image created from 7,500 shots ‘shows history of the universe’
An incredible new image stitched together from thousands of Hubble Space Telescope images shows ‘the history of the universe’, staring back through time.
The ‘Legacy Field’ image is stitched together from early 7,500 separate Hubble exposures, representing about 16 years’ worth of observations.
In each shot, Hubble focused in on one area of sky for up to a million seconds, capturing the feeble glow of myriad never-before-seen galaxies.
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Many of the galaxies are so far away it has taken billions of years for their light to reach us – so the images are like staring through a ‘time corridor’ at the dawn of time itself.
Some of the stars are seen as they were just 500 million years after the Big Bang.
Their efforts have produced the largest, most comprehensive “history book” of galaxies in the universe.
The ambitious endeavor is called the Hubble Legacy Field. The new view contains about 30 times as many galaxies as in the HUDF.
The wavelength range stretches from ultraviolet to near-infrared light, capturing all the features of galaxy assembly over time.
The image mosaic presents a wide portrait of the distant universe and contains roughly 265,000 galaxies.
They stretch back through 13.3 billion years of time to just 500 million years after the universe’s birth in the big bang.