Which of these observations of Barnard’s Star is most likely accurate? A. Barnard’s Star is less bright than the sun, has a surface temperature below 3,800K, and is red
B. Barnard’s Star is brighter then the sun, has a surface temperature below 5,300K, and is yellow.
C. Barnard’s Star is brighter than the sun, has a surface temperature above 5,300K, and is yellow.
D. Barnard’s Star is less bright than the sun, has a surface temperature above 3,800K, and is red .