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Scientists in Britain have recorded rhythms of a 13-billion-year-old star cluster. The 'music' is captivating, and it is also instrumental in furthering our understanding of the origins of the Milky Way Galaxy. Dr Andrea Miglio is an astrophysicist at the University of Birmingham (Photo: Two star clusters recorded by the Hubble telescope on July 10, 2001. Credit: NASA/Getty Images)
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