News Astronomy How James Webb Space Telescope data have already revealed surprises The first image contains a galaxy cluster’s past and recent star birth in more remote galaxies It took astronomers mere days to dig insights out of the first public image from JWST, which shows a massive galaxy cluster called SMACS 0723 and many more distant galaxies behind it. NASA, ESA, CSA, STScI Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Lisa Grossman July 21, 2022 at 6:00 am Massimo Pascale wasn’t planning to study the galaxy cluster SMACS 0723.