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Harvard-Smithsonian Center for Astrophysics

One Supernova Type, Two Different Sources

7 May 2012, 13:02 UTC
One Supernova Type, Two Different Sources X-ray: NASA/CXC/Rutgers/K.Eriksen et al.; Optical: DSS

May 07, 2012: The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy.

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