This striking spiral galaxy is home to a supernova, SN 2002fk. Astronomers are using that supernova to measure the expansion rate of the universe. Ele

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This striking spiral galaxy is home to a supernova, SN 2002fk. Astronomers are using that supernova to measure the expansion rate of the universe. Elements of this image furnished by NASA.

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Size: 3208px × 3208px
Location: NASA
Photo credit: © Irina Dmitrienko / Alamy / Afripics
License: Royalty Free
Model Released: No

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