Relatively cool heavenly body

• Spectral type
• Certain astronomical classification
• Celestial red giant
• Red giant of the galaxy
• Comparatively cool red giant
• Cool astronomical giant
• Astronomical giant with a spectral letter ranking
• Cool red giant
• Slow-burning heavenly body

Wikipedia Word definitions in Wikipedia
SSTAR may refer to: Society for Sex Therapy and Research Small, sealed, transportable, autonomous reactor