Milky Way Grew by Swallowing Galaxies, Study Suggests
The Hindu reports that the Milky Way, our home galaxy, grew by devouring other galaxies over time. This process left behind a trail of so-called ghost stars. The finding offers a clue about how our galaxy was built over billions of years.
Context
Context: The Milky Way is the galaxy that holds our Sun and the solar system. Galaxies often merge and absorb neighbours over billions of years, and astronomers read the leftover stars to piece together that history.
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