Solved

-Refer to the Figure

Question 24

Multiple Choice

-Refer to the figure.Why is it more difficult to measure the distances to globular clusters (which contain RR Lyrae stars) than the distances to open clusters (which contain Cepheids) ? A) RR Lyrae stars are dimmer and harder to see. B) RR Lyrae stars pulsate so fast that they can't be measured. C) RR Lyrae stars are further away than Cepheids. D) RR Lyrae stars do not have a relationship between period and luminosity.
-Refer to the figure.Why is it more difficult to measure the distances to globular clusters (which contain RR Lyrae stars) than the distances to open clusters (which contain Cepheids) ?


A) RR Lyrae stars are dimmer and harder to see.
B) RR Lyrae stars pulsate so fast that they can't be measured.
C) RR Lyrae stars are further away than Cepheids.
D) RR Lyrae stars do not have a relationship between period and luminosity.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q19: Who first noticed that for Cepheid variable

Q20: What does the chemical abundance found in

Q21: -Refer to the</p></div><svg width=

Q22: Before the twentieth century,astronomers lacked knowledge of

Q23: According to the traditional theory,how did the

Q25: How did Harlow Shapley determine where the

Q26: The centre of our galaxy is believed

Q27: How does the traditional theory of the

Q28: -In the diagram,the</p></div><svg width=

Q29: What do radio maps of the spiral

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents