Astronomy current events question: central supermassive black hole and G2 dust/gas cloud

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!)
Adam Mann, "Scientists May Get Best View Yet of a Black Hole in Action," March 14, 2014
Telescopes all over the world will be observing the Milky Way's supermassive black hole as it interacts with:
(A) slowing down time.
(B) x-ray pulsar beams.
(C) a nearby gas/dust cloud.
(D) surrounding dark matter.
(E) a possible wormhole.

Correct answer: (C)

Student responses
Sections 30678, 30679, 30680
(A) : 0 students
(B) : 2 students
(C) : 26 students
(D) : 3 students
(E) : 2 students

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