Astrophysicists use 'space archaeology' to trace the history of a spiral galaxy

May 15, 2026 - 02:07
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Astrophysicists use 'space archaeology' to trace the history of a spiral galaxy
Billions of years ago, a young spiral galaxy began to grow in a crowded part of the universe. It pulled in gas and small companion galaxies, slowly building up the bright central region and sweeping spiral arms we see today.

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