Penn State researchers are using ALCF’s exascale supercomputer to explore how magnetic fields evolve during neutron star mergers. June 23, 2026 — When the largest stars in the universe—massive supergiant stars—explode in supernovae, they leave behind gravitationally collapsed cores called neutron stars. Aside from black holes, neutron stars are the densest stellar objects known to […] The post Argonne: Aurora Simulations Shed New Light on Extreme Cosmic Collisions appeared first on HPCwire .
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