A sparkling galaxy with a bright, glowing core and patchy spiral arms dotted with pale blue star formation.

Galaxy UGC 9391

This Hubble Space Telescope image shows one of the galaxies in the survey to refine the measurement for how fast the universe expands with time, called the Hubble constant.

Credits: NASA, ESA and A. Riess (STScI/JHU)
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Image CreditNASA, ESA and A. Riess (STScI/JHU)
Size640x482px