Early-Universe tagged posts

Webb Reveals Early-Universe Prequel to Huge Galaxy Cluster

Various multi-color galaxies on a black background, with specific close-ups of 7 faint red galaxies in a column on right
The seven galaxies highlighted in this James Webb Space Telescope image have been confirmed to be at a distance that astronomers refer to as redshift 7.9, which correlates to 650 million years after the big bang. This makes them the earliest galaxies yet to be spectroscopically confirmed as part of a developing cluster.
Credits: NASA, ESA, CSA, T. Morishita (IPAC). Image processing: A. Pagan (STScI)

Every giant was once a baby, though you may never have seen them at that stage of their development. NASA’s James Webb Space Telescope has begun to shed light on formative years in the history of the universe that have thus far been beyond reach: the formation and assembly of galaxies...

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