space Reporting from www.nasa.gov

Ancient Milky Way Merger

Hubble data confirms a 12-billion-year collision between galaxies.

Ancient Milky Way Merger

A newly revealed artist's conception, unveiled August 17th, 2026, illustrates the dramatic collision between the Milky Way galaxy and the LKH dwarf galaxy approximately 12 billion years prior to present day. Research utilizing data obtained through NASA’s Hubble Space Telescope has yielded conclusive proof of this galactic merger event. The findings, detailed in a recent publication within the esteemed journal *Nature Astronomy*, provide significant insights into the early universe. Scientists analyzed light signatures from the Hubble telescope to confirm the presence of the smaller galaxy interacting with our own. This merging process fundamentally shaped the structure and evolution of the Milky Way as we know it today.


Original reporting

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This PlaneNews briefing summarizes reporting originally published by www.nasa.gov.

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