TOI Science Desk · Business · 2026-08-21
Astronomers uncover evidence of a galaxy merger 12 billion years ago that helped shape the young Milky Way
Nearly 12 billion years ago, the Milky Way was still in its infancy, assembling itself from smaller collections of stars, gas and dark matter. During that turbulent period, another galaxy came within its gravitational reach and was eventually absorbed, leaving traces that have survived to the presen... Nearly 12 billion years ago, the Milky Way was still in its infancy, assembling itself from smaller collections of stars, gas and dark
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