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Science And Nature

JWST keeps breaking its own record for the most distant galaxy ever

The James Webb Space Telescope has begun peering into the early universe, spotting more and more of the very first galaxies that formed after the big bang



Space



28 July 2022

By Leah Crane

New Scientist Default Image

The SMACS 0723 galaxy cluster in JWST’s deep-field image

NASA, ESA, CSA, STScI

As the James Webb Space Telescope (JWST) has begun sending back its first science data, scads of researchers around the world have reported new galaxies, each more distant than the last.

The distance to a cosmic object is denoted by what’s known as redshift. This works a bit like the Doppler effect, in which a sound seems to change in pitch depending on whether it is moving towards or away from the listener. The faster a galaxy is moving away from …

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