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Astronomers have just assembled one of the most comprehensive portraits yet of the universe’s evolutionary history, based on a broad spectrum of observations by the Hubble Space Telescope and other space and ground-based telescopes. In particular, Hubble’s ultraviolet vision opens a new window on the evolving universe, tracking the birth of stars over the last 11 billion years back to the cosmos’ busiest star-forming period, about 3 billion years after the big bang. This photo encompasses a sea of approximately 15,000 galaxies — 12,000 of which are star-forming — widely distributed in time and space. This mosaic is 14 times the area of the Hubble Ultra Violet Ultra Deep Field released in 2014. Credits: NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales)

Hubble paints picture of the evolving universe

Space
Ultraviolet light has been the missing piece to the cosmic puzzle. Presently, combined with infrared and noticeable light information from Hubble and other space...

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