A

David

Darling

blue supergiant

blue supergiant size comparison

Size comparison of a blue supergiant with the Sun, and the Sun with Jupiter. Image: © Mark A. Garlic, space-art.co.uk.


A blue supergiant is a hot, massive, luminous star that is in an advanced post-main sequence stage of evolution. The best known example is Rigel. See supergiant for more details.