A Star Exploded 850 Years Ago. Somehow, It’s Still Alive

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Gemini North Image of Supernova Remnant Pa 30With roughly ten times as many gas filaments now resolved, the supernova remnant Pa 30 could guide searches for other stellar explosions that left surviving stars. A star survived the explosion that left behind Pa 30, a dandelion-shaped cloud of debris. The sharpest images yet show that the apparently smooth streaks around this “zombie star” [...]
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