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JWST Stephan’s Quintet Stephan’s Quintet is the name given to a visual grouping of five galaxies located about 290 million light-years away in the constellation Pegasus. NASA's JWST was able to show shock waves, tidal tails, and more astonishing details about these distant galaxies. Four of the five galaxies in Stephan's Quintet regularly interact with each other, creating the stunning display we see here. NASA/ESA/CSA/STScI