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Runaway Star Shocks the Galaxy! - Universe Today
That might seem like a sensational headline worthy of a supermarket tabloid but, taken in context, it’s exactly what’s happening here! The bright blue star at the center of this image is a B-type supergiant named Kappa Cassiopeiae, 4,000 light-years away. As stars in our galaxy go it’s pretty big — over 57 million kilometers wide, … Continue reading "Runaway Star Shocks the Galaxy!"