The Milky Way’s next supernova could reveal dark matter | by Ethan Siegel | Starts With A Bang! | Jan, 2023

January 24, 2023 BeyondPedia


This image of the Cassiopeia A supernova remnant shows the aftermath of a type II, core-collapse supernova that occurred more than 350 years ago. The supernova remnant glows in a variety of electromagnetic wavelengths, but if we had been operating neutrino detectors back in ~1667 when the light (and neutrinos) first arrived, we could have determined whether there was a neutrino deficit, and a hint of dark matter in the process. (Credit: NASA/JPL-Caltech)

In all the Universe, there are few mysteries that loom as large as dark matter. We know, from the gravitational effects we observe — at all times and on…



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