SpaceGizmodoabout 2 hours ago
Hubble Finds Earliest Milky Way Merger
1 min read
A dwarf galaxy named LKH merged with the Milky Way 11.8 billion years ago, making it the earliest known merger in the galaxy's history. Researchers used Hubble and Gaia data to study 39 globular clusters, finding LKH had a stellar mass 500 million times the Sun's.
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