1 point 1. The Hertzsprung-Russell diagram below shows how the brightness,
surface temperature, and color of stars are related. Which of these
observations of Barnard's Star is most likely accurate?
Hertzsprung-Russell Diagram
Blue
10,000 suns
Supergants
Red
100 suns
White
Gants
Brightness
Orange
0.0 Sun
oo
OO
owheats
OO
Barnard's Star
Red
50,000 25,000 11.000 7,800 6.300 5,300 1,800
Surface Temperature (K)
A Barnard's Star is less bright than the sun has a surface temperature below 3,800 K,
and is red
B Barnard's Star is less bright than the sun, has a surface temperature above 3,800K,
and is red
C Barnard's Star is brighter than the sun, has a surface temperature below 5,300 K
O and is llow. Barnard's Star is brighter than the sun, has a surface temperature
above 5,300 K, and is yellow
D Barnard's Star is brighter than the sun, has a surface temperature above 5,300 K
and is yellow