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Picture Album: Hubble Snaps Images of a Pinwheel-Shaped Galaxy

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Hubble Snaps Images of a Pinwheel-Shaped Galaxy
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This striking spiral galaxy is home to a supernova, SN 2002fk, whose light reached Earth in September 2002. Astronomers are using that supernova to measure the expansion rate of the universe.

Credit: NASA, ESA, The Hubble Heritage Team, (STScI/AURA) and A. Riess (STScI)

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