Thousands of distant stars crowd the view against black space. A rosy, bloomlike tendril of red nebulosity shines near the center-top.

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Scientists probed Andromeda’s spiral arms using Hubble to analyze the collection of stars buried in its cosmic bouquets.

Credits: NASA, ESA, M. Boyer (Space Telescope Science Institute), and J. Dalcanton (University of Washington); Image Processing: Gladys Kober (NASA/Catholic University of America)
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Image CreditNASA, ESA, M. Boyer (Space Telescope Science Institute), and J. Dalcanton (University of Washington); Image Processing: Gladys Kober (NASA/Catholic University of America)
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