Astronomy current events question: cannibalization of galaxy M32p

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!)

Morgan Sherburne, "The Milky Way’s Long-Lost Sibling Finally Found" (July 23, 2018)
news.umich.edu/the-milky-ways-long-lost-sibling-finally-found/

Researchers used __________ to deduce that the Andromeda galaxy shredded and cannibalized the large galaxy M32p.
(A) lasers.
(B) computer simulations.
(C) adaptive optics.
(D) captured halo particles.
(E) gravitational waves.

Correct answer: (B)

Student responses
Sections 70178, 70186
(A) : 3 students
(B) : 15 students
(C) : 3 students
(D) : 4 students
(E) : 3 students