Astronomy current events question: Sombrero galaxy structure

Astronomy 210L, spring semester 2012
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!)
Whitney Clavin and J.D. Harrington, "NASA's Spitzer Finds Galaxy with Split Personality," April 24, 2012
New observations from NASA's Spitzer space telescope reveal that the Sombrero galaxy is:
(A) entirely composed of dark matter.
(B) the remnant of several simultaneous type II supernovae.
(C) a distant portion of the Milky Way.
(D) much farther away than previously thought.
(E) an elliptical galaxy with an inner thin disk.

Correct answer: (E)

Student responses
Sections 30678, 30679, 30680
(A) : 1 student
(B) : 4 students
(C) : 1 student
(D) : 2 students
(E) : 11 students

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