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Waspie_Dwarf

The Farthest Supernova Yet

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The Farthest Supernova Yet for Measuring Cosmic History

Berkeley Lab-based Supernova Cosmology Project uses Hubble Space Telescope data to discover the most distant well-measured Type Ia supernova ever found

What if you had a “Wayback Television Set” and could watch an entire month of ancient prehistory unfold before your eyes in real time? David Rubin of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) presented just such a scenario to the American Astronomical Society (AAS) meeting in Long Beach, CA, when he announced the discovery of a striking astronomical object: a Type Ia supernova with a redshift of 1.71 that dates back 10 billion years in time. Labeled SN SCP-0401, the supernova is exceptional for its detailed spectrum and precision color measurement, unprecedented in a supernova so distant.

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