"Supergiants are among the most massive stars. They typically have bolometric absolute magnitudes between -5 and -12. Supergiants can have masses from 10 to 70 solar masses and brightness from 30,000 up to hundreds of thousands times the solar (Earth's Sun) luminosity. They vary greatly in radii, usually from 30 to 500, or even in excess of 1000 solar radii."
Really fucking big stars. Cool.
..and they have the greatest name, ever. Except for the star classification that sits one step higher on the Hertzsprung-Russell diagram - "Hypergiants" (pow!).
...Space.
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