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Star sizes

Compare how big a few familiar stars are next to the Sun.

Radii are approximate (solar radii) and meant for intuition, not astronomy homework. Betelgeuse is huge and fuzzy in real life too.

Sun×1 R_☉
G-type main sequence
Sirius A×1.7 R_☉
Brightest star in Earth’s night sky
Pollux×8.8 R_☉
Orange giant
Aldebaran×44 R_☉
Red giant in Taurus
Betelgeuse×700 R_☉
Red supergiant—rough lower bound