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Day 13 of the 2025 Space Telescope Advent Calendar: A Sea of Galaxies

Day 13 of the 2025 Space Telescope Advent Calendar: A Sea of Galaxies. The James Webb Space Telescope pointed its Near-Infrared Camera toward the galaxy cluster MACS J1149.5+2223 and captured this image of hundreds of galaxies at varying distances and of different sizes, shapes, and colors—showing only a small section of the cluster.

Day 13 of the 2025 Space Telescope Advent Calendar: A Sea of Galaxies

TL;DR

  • Day 13 of the 2025 Space Telescope Advent Calendar highlights a sea of galaxies.
  • The James Webb Space Telescope used its Near-Infrared Camera to image the galaxy cluster MACS J1149.5+2223.
  • The image shows hundreds of galaxies of various distances, sizes, shapes, and colors.
  • This represents only a small section of the galaxy cluster.