Astronomy quiz question: M0 supergiant vs. G0 giant

Astronomy 210 Quiz 5, fall semester 2016
Cuesta College, San Luis Obispo, CA

An M0 supergiant has a ___________ than a G0 giant.
(A) hotter temperature.
(B) brighter luminosity.
(C) larger size.
(D) (Two of the above choices.)
(E) (All of the above choices.)
(F) (None of the above choices.)

Correct answer (highlight to unhide): (D)

An H-R diagram is provided with this quiz.


These stars are plotted on an H-R diagram below. While the M0 supergiant has a cooler temperature, it has a brighter luminosity and a larger size than the G0 giant.


Section 70158
Exam code: quiz05s4nD
(A) : 4 students
(B) : 6 students
(C) : 6 students
(D) : 15 students
(E) : 2 students
(F) : 4 students

Success level: 46% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.80

Section 70160
Exam code: quiz05n0Ko
(A) : 0 students
(B) : 1 student
(C) : 7 students
(D) : 12 students
(E) : 2 students
(F) : 3 students

Success level: 52% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.59