Astronomy current events question: Saturn's aurorae

Astronomy 210L, Fall Semester 2010
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!)

Astronomy.com editors, "Cassini Captures New Views of Saturn's Aurora," September 24, 2010
http://www.astronomy.com/asy/default.aspx?c=a&id=10269

New detailed images of Saturn's __________ have been recently extracted from data taken by the NASA Cassini spacecraft Visual and Infrared Mapping Spectrometer instrument.
(A) aurorae.
(B) rings.
(C) moons.
(D) lightning.
(E) polar ice caps.

Correct answer: (A)

Student responses
Sections 70178, 70186, 70200
(A) : 53 students
(B) : 10 students
(C) : 5 students
(D) : 0 students
(E) : 1 student