Rare supernova discovery ushers in new era for cosmology

With from an automated supernova-hunting pipeline based at NERSC, astronomers have captured multiple images of a gravitationally lensed Type 1a supernova. This detection is currently the only one of its kind, but astronomers believe that if they can find more they may be able to measure the rate of the Universe’s expansion within four percent accuracy. Fortunately, two Berkeley Lab researchers do have a method for identifying more of these events using existing wide-field surveys. …read more

Source: EurekAlert

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