alcyoneus Archives — Curiosmos

Illustration of the largest galaxy in the universe Alcyoneus.

This is the largest galaxy in the universe, and it puts all others to shame

The radio lobes of Alcyoneus that were captured. Credit: Oei et al., arXiv, 2022

Astronomers Spot Largest Galactic Structure to Date—A Gargantuan Galaxy 16 Million Light-Years Across