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The Milky Way Devoured a Smaller Galaxy About 11.8 Billion Years Ago

Researchers said the early collision added stars, gas and dark matter to the Milky Way and may have helped trigger new star formation.

Summary by CTV News
The Milky Way, a large and spiral-shaped galaxy that is home to hundreds of billions of stars including our sun, has taken a long and complicated path to achieve its current dimensions, as illustrated by new research documenting a milestone event early in its history.

9 Articles

Center

Hubble obtains definitive evidence that our galaxy devoured a dwarf galaxy 11.8 billion years ago, just 2 billion years after the Big Bang, in a finding with Spanish participation The Lion Nebula: this is how Webb captures the

The Hubble Space Telescope, operated by NASA, provided undeniable evidence of a monumental galactic collision that occurred approximately 11.8 billion years ago, thus redefining the understanding of the early stage of formation of the Milky Way. This innovative discovery not only advances in 1.8 billion years the known record of the great mergers that contributed to [...]

·Brazil
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The Milky Way swallowed a smaller galaxy 11.8 billion years ago, new research shows. As far as is known, it is the earliest merger of our Milky Way with another galaxy.

·Netherlands (Kingdom of the)
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Diario de Cádiz broke the news on Monday, August 17, 2026.
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