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Strange Stars and Strange Matter

posted by Jason Kottke   Apr 17, 2019

Nuclear physicists hypothesize that when the cores of neutron stars are subject to enough pressure, the quarks that make up the core can turn from up and down quark varieties into strange quarks. As this Kurzgesagt video explains, this strange matter is particularly stable and if it were to escape from the core of the neutron star, it would convert any ordinary matter it came into contact with to more strange matter. If you hadn’t heard about this hypothesis before, you can read up on it in their list of sources for the video.