Betelgeuse /ˈbiːt(ə)lˌdʒəːz / ‹Astronomy› Betelgeux

B

I. the tenth-brightest star in the sky, in the constellation Orion. It is a red supergiant, and variations in its brightness are associated with pulsations in its outer envelope.
– origin French, alteration of Arabic yad al-jauzā ‘hand of the giant’ (the giant being Orion).

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