Astronomy current events question: "super spiral" galaxies

Astronomy 210L, spring semester 2016
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!)

Adam Hadhazy, "Astronomers Discover Colossal 'Super Spiral' Galaxies" (March 17, 2016)
nasa.gov/feature/jpl/astronomers-discover-colossal-super-spiral-galaxies

Analysis of __________ revealed "super spirals," which are massive galaxies that may be the result of two gas-rich spiral galaxies merging.
(A) gravitational waves.
(B) archived data.
(C) neutrino emissions.
(D) Doppler shifts.
(E) computer simulations.

Correct answer: (B)

Student responses
Sections 30678, 30679, 30680
(A) : 13 students
(B) : 11 students
(C) : 5 students
(D) : 9 students
(E) : 2 students