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Dr Darren R Flower on Twitter: "Red hypergiant Stephensen 2-18 Largest known #star: 10 billion x volume of the #sun https://t.co/D07Tgg9Y7D #Solarsystem #Space https://t.co/SpvysHMqPD" / Twitter
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The Red Hypergiant VY CMa --- Betelgeuse on Steroids | Minnesota Institute for Astrophysics | College of Science and Engineering
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