Assertion: star's radius | /r/HasProperty | about 1,000 r ☉ 7.0×1011 m
Facets:
Source sentences:
text: For comparison, the red supergiant Betelgeuse has a luminosity around 100,000 L ⊙ , a spectral type of M2, and a temperature around 3,500 K, meaning its radius is about 1,000 R ☉ (7.0×1011 m).