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epa10065873 A handout photo made available by Space Telescope Science Institute Office of Public Outreach shows Webb's First Deep Field  taken by Webb's Near-Infrared Camera (NIRCam), a composite made from images at different wavelengths, totaling 12.5 hours, of galaxy cluster SMACS 0723 as it appeared 4.6 billion years ago. The combined mass of this galaxy cluster acts as a gravitational lens, magnifying much more distant galaxies behind it. Webb?s NIRCam has brought those distant galaxies into sharp focus ? they have tiny, faint structures that have never been seen before, including star clusters and diffuse features. Researchers will soon begin to learn more about the galaxies' masses, ages, histories, and compositions, as Webb seeks the earliest galaxies in the universe.  EPA-EFE/Space Telescope Science Institute Office of Public Outreach HO  EPA-EFE/Space Telescope Science Institute Office of Public Outreach HO  HANDOUT EDITORIAL USE ONLY/NO SALES

SPACE WEBB TELESCOPE

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