Polyphemus Supernova Warning Zone

The Polyphemus Supernova Warning Zone (or PSWZ) is a delineated region of space that extends 46.4 light years in all directions from the red hypergiant Polyphemus, with a total volume approximating 418,000 cubic light years. Inside of the Frontier of the Coalition of Congressional Republics, the zone was declared for human evacuation after signs of an impending supernova by Polyphemus within the next century were detected by the Coalition Office of Astronomy and Exploration in 2670. Currently, the only human settlement at risk is the star system Butayan, which lies just outside of the PSWZ.
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