Pollux or Arcturus, to an astronomer

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

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 ...