Astronomy current events question: Triangulum II dwarf galaxy dark matter

Astronomy 210L, fall semester 2015
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!)
Lori Dajose, "Dark Matter Dominates in Nearby Dwarf Galaxy" (November 18, 2015)
Dark matter in the nearby Triangulum II dwarf galaxy was measured by observing its:
(A) heavy metals.
(B) stars' motions.
(C) pulsar timings.
(D) gamma ray emissions.
(E) neutrino decays.

Correct answer: (B)

Student responses
Sections 70178, 70186
(A) : 3 students
(B) : 15 students
(C) : 4 students
(D) : 11 students
(E) : 1 student

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