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    An exceptionally rare supernova that could open a new way to determine the expansion rate of the universe - finding a supernova located directly behind a gravitational lens is less than one in a million
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    An exceptionally rare supernova that could open a new way to determine the expansion rate of the universe – finding a supernova located directly behind a gravitational lens is less than one in a million


    An exceptionally rare supernova that could open a new way to determine the expansion rate of the universe – finding a supernova located directly behind a gravitational lens is less than one in a million

    https://www.tum.de/aktuelles/alle-meldungen/pressemitteilungen/details/die-expansion-des-universums-mit-kosmischem-feuerwerk-messen

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    1. rip1980 on

      Ummm, with approximately 2×10^(23) stars in the observable universe, and an estimated somewhere around 10 to 100 supernova per SECOND, one in a million is not all that rare. It’s just our timescale as meatwads is vanishingly short at universe scales.