Astronomy current events question: Titan's dust storms

Astronomy 210L, fall semester 2018
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!)

Sébastien Rodriguez, Nicolas Altobelli, and Markus Bauer, "Dust Storms on Titan Spotted by Cassini for the First Time" (September 24, 2018)
sci.esa.int/cassini-huygens/60679-dust-storms-on-titan-spotted-by-cassini-for-the-first-time/

The European Space Agency's Cassini spacecraft observed __________ that appear to be caused by giant dust storms on Saturn's moon, Titan.
(A) dry lakes and rivers.
(B) erosion of small craters.
(C) lightning flashes.
(D) hydrocarbon convection currents.
(E) bright infrared regions.

Correct answer: (E)

Student responses
Sections 70178, 70186
(A) : 2 students
(B) : 3 students
(C) : 2 students
(D) : 14 students
(E) : 6 students