Astronomy current events question: revived Kepler space telescope mission

Astronomy 210L, spring semester 2014
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!)

Lisa Grossman, "NASA's Revived Exoplanet-Hunter Sees Its First World," February 6, 2014
http://www.newscientist.com/article/dn24857-nasas-revived-exoplanethunter-sees-its-first-world.html

NASA's newly-revived Kepler space telescope overcame its recent __________ problem to successfully detect an exoplanet.
(A) stabilizing mechanism.
(B) software update.
(C) radioactive leak.
(D) meteorite collision.
(E) solar flare interference.

Correct answer: (A)

Student responses
Sections 30678, 30679, 30680
(A) : 40 students
(B) : 0 students
(C) : 2 students
(D) : 1 student
(E) : 2 students