Related Clues:
- Spectral type
- Red giant of the galaxy
- Relatively cool red giant
- Red giant relative
- Comparatively cool red giant
- Certain astronomical classification
- Red giant variety
- Astronomical red giant
- Astronomical giant with a spectral letter ranking
- ___ Optics (telescope maker)
- Chi Cygni, for one
- Red giant
- Red giant with an abundance of carbon
- Red giant in the night sky
- Relatively cool heavenly body