87 Ghost Rivers Are Flowing Through the Milky Way
87 streams of stars torn from ancient galaxies thread through the Milky Way. They are fossil rivers — evidence of collisions billions of years old.
87 streams of stars torn from ancient galaxies thread through the Milky Way. They are fossil rivers — evidence of collisions billions of years old.
Webb reveals gas bubbles, protostellar jets, and dark filaments inside W51 — one of the Milky Way's richest stellar nurseries, now visible.