Figure 12-14(for the Following Questions)

question 65

Multiple Choice

  Figure 12-14(for the following questions)
The accompanying graph above clearly shows that ____.

• A) Type I Cepheid variables are always brighter than Type II Cepheids
• B) Type II Cepheid variables always have shorter pulsation periods than Type I Cepheids
• C) Type I Cepheids are always more distant than Type II Cepheids
• D) RR Lyrae stars can have longer pulsation periods than Cepheid variables
• E) RR Lyrae stars are always dimmer than Cepheid variables.