Answer: nstar

AnswerCrossword Clue
NSTARHeavenly body of spectral type.
NSTARType of luminous body.
NSTARType of heavenly body.
NSTARHeavenly body of the very red type.
NSTARSpectral type
NSTARSky spectral type
NSTARHeavenly body of the very red type
NSTARSpectral body
NSTARVery red heavenly body
NSTARCool, very red celestial body
NSTARMany an old red giant