Relatively cool heavenly body

• It's cooler than our sun
• Aldebaran or Arcturus
• Relatively cool sun
• Arcturus, Aldebaran, or Gamma Draconis
• Orange dwarf
• Arcturus, e.g., spectrally
• Pollux or Arcturus, to an astronomer
• Orange-to-red star, as Aldebaran

Wikipedia Word definitions in Wikipedia
The KSTAR , or K orea Superconducting Tokamak A dvanced R esearch is a magnetic fusion device being built at the National Fusion Research Institute in Daejeon , South Korea . It is intended to study aspects of magnetic fusion energy which will be pertinent ...