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Betelgeuse - Universe Today
[/caption] Betelgeuse is the ninth brightest star in the sky, and the second brightest in the constellation of Orion (it’s the red one, on the opposite side of the Belt from Rigel, which is the blue one, and the brightest). With a mass of some 20 sols (= the mass of 20 Suns), Betelgeuse is … Continue reading "Betelgeuse"