Figure 12-1

-Refer to Figure 12-1. A Type II Cepheid has been located in a distant globular cluster with a period of 10 days. What is the star's absolute magnitude
A)−1
B)0
C)−4
D)−6
E)The absolute magnitude of a Cepheid variable cannot be determined unless its distance is known.

Question

Figure 12-1
 
-Refer to Figure 12-1. A Type II Cepheid has been located in a distant globular cluster with a period of 10 days. What is the star's absolute magnitude
A)−1 
B)0 
C)−4 
D)−6 
E)The absolute magnitude of a Cepheid variable cannot be determined unless its distance is known.

Quizplus · Accepted Answer

The Answer of Figure 12-1
 
-Refer to Figure 12-1. A Type II Cepheid has been located in a distant globular cluster with a period of 10 days. What is the star's absolute magnitude
A)−1 
B)0 
C)−4 
D)−6 
E)The absolute magnitude of a Cepheid variable cannot be determined unless its distance is known.

Figure 12-1 -Refer to Figure 12-1. a Type II Cepheid Has Been