The Terrifying Size of the Largest Galaxy We_ve Ever Found
Close your eyes and try to imagine a single galaxy so vast it would swallow our entire Local Group of galaxies without a trace. This is the terrifying scale of IC 1101, the largest known galaxy in the universe. Located over a billion light-years away at the heart of the Abell 2029 galaxy cluster, its main stellar body has a diameter of approximately 1.7 million light-years—roughly seventeen times the size of our Milky Way. It has been built through billions of years of "galactic cannibalism," swallowing smaller galaxies whole, and it is still growing. Let this quiet, incomprehensible scale…
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