Hubble unveils a colorful view of the universe

June 3, 2014 5:57 PM

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Hubble unveils a colorful view of the universe

Prior to this survey, astronomers were in a curious position. They knew a lot about star formation occurring in nearby galaxies thanks to UV telescope facilities such as NASA's Galex observatory, which operated from 2003 to 2013. And, thanks to Hubble's near-infrared and visible capability, they had also studied star birth in the most distant galaxies. We see these distant galaxies in their most primitive stages due to the vast amount of time it takes their light to reach us.

However, between 5 and 10 billion light-years away from us -- corresponding to a time period when most of the stars in the Universe were born -- there was a lack of the data needed to fully understand star formation. The hottest, most massive and youngest stars, which emit light in the ultraviolet, ...

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