Astronomy current events question: astroseismology probes stars' inner magnetic fields

Astronomy 210L, fall semester 2015
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)

Ker Than, "Astronomers Peer Inside Stars, Finding Giant Magnets" (October 22, 2015)
caltech.edu/news/astronomers-peer-inside-stars-finding-giant-magnets-48498

Analysis of stars' surface oscillations observed by NASA's Kepler space telescope provide a means to measure their:
(A) densities.
(B) distances.
(C) solar flares.
(D) neutrino instability.
(E) internal magnetic fields.

Correct answer: (E)

Student responses
Sections 70178, 70186
(A) : 4 students
(B) : 1 student
(C) : 1 student
(D) : 1 student
(E) : 27 students