Pinwheel Galaxy (M101) (IMAGE)

Center for Astrophysics | Harvard & Smithsonian

Pinwheel Galaxy (M101)

Caption

This Hubble image reveals the gigantic Pinwheel Galaxy (M101), one of the best known examples of "grand design spirals," and its star-forming regions in unprecedented detail. Astronomers have searched galaxies like this in a hunt for the progenitors of Type Ia supernovae, but their search has turned up mostly empty-handed.

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NASA/ESA

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