The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature Hint: Our Sun at 6000 K is yellow.
A)64,000 K
B)32,000 K
C)16,000 K
D)8000 K
E)2000 K

Question

The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature Hint: Our Sun at 6000 K is yellow. 
A)64,000 K 
B)32,000 K 
C)16,000 K 
D)8000 K 
E)2000 K

Quizplus · Accepted Answer

Betelgeuse is a red giant star, which means it has a very cool surface temperature compared to other stars. The coolest temperature on the list is 2000 K, which would be the best match for Betelgeuse's surface temperature.

The Figure Shows a Color Image of Betelgeuse, a Red