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Spiral Galaxy NGC 1309
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ABOUT THIS IMAGE
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.
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Credit: NASA, ESA, The Hubble Heritage Team, (STScI/AURA) and A. Riess (STScI)