Do 11. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.
Do
Hertzsprung-Russell Diagram
0
Barnard's Star is less bright than the sun, has a surface
temperature above 3,800 K, and is red.
O
10,000 suns
o Blue
Superglants
Ow
Barnard's Star is less bright than the sun, has a surface
temperature below 3,800 K, and is red.
OO
оо
100 suns
Red
Brightness
680
White
Giants
08000
Barnard's Star is brighter than the sun, has a surface
temperature below 5,300 K, and is yellow.
1 sun
Main-sequence
O o
o
OO
oo
White dwarts
o оо
000 Yellow
a OOO
Orange
0.01 sun
Barnard's Star
Do
Barnard's Star is brighter than the sun, has a surface
temperature above 5,300 K, and is yellow,
Red
50,000 25,000 11,000 7,800 6,300 5,300 3,800
Surface Temperature (K)
CLEAR ALL
Which of these observations of Barnard's Star is most likely accurate?