The James Webb Space Telescope just peered into a celestial Pandora’s box to see what lies beyond a megacluster of galaxies.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The space observatory observed Pandora’s Cluster, also known as Abell 2744, where three massive clusters of galaxies are merging. The group of galaxy clusters acts as a magnifying glass for the objects behind it. Called gravitational lensing, this natural phenomenon created a deep-field view that includes incredibly old and faint galaxies.
Webb’s latest observation of the cluster has revealed never-before-seen details in infrared light, which is invisible to the human eye. Astronomers in the UNCOVER program, or Ultradeep NIRSpec and NIRCam ObserVations before the Epoch of Reionization, used Webb’s unique Near-Infrared Camera for 30 hours to capture detailed long-exposure images. The latest photo released Wednesday stitches together four of those images into a panorama that includes 50,000 sources of near-infrared light.
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James Webb Space Telescope opens Pandora's Cluster in stunning image with help from Einstein (video)Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter sciencef1rst.
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