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Blue supergiants are massive. Really, really massive - up to dozens of times the mass of the Sun. They are also extremely hot, large and luminous. They live much shorter lives that stars like the S...
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#1: Attribution notice removed
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System
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2020-06-01T14:13:41Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/7104 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/