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Massive Clusters. Massive Gravitational. Massive in Early Universe.

Image Credit: James Webb Space Telescope

#2023. W 29 D 1 GMT +08:00. Indicate #167 left to go in 2023. Thanks to the high resolutions images from James Webb Space Telescope, we can finally see a massive cluster. Three clusters of galaxies form a powerful gravitational lens through which objects of the early Universe can be observed. Rachel Besanson, the program leader, said, “About 50,000 sources of near-infrared light can be observed by using the cluster like a magnifying glass.” Those clusters create a powerful gravitational lens that allows much more distant galaxies in the early Universe to get observed.