Astronomy current events question: similar galaxies to Milky Way

Astronomy 210L, fall 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!)
Liat Clark, "Amateurs Uncover Stunning Hidden Treasures In Hubble’s Image Vaults," August 23, 2012
The Galaxy And Mass Assembly survey has discovered other galaxies similar to the Milky Way, as these galaxies also have:
(A) spiral arms.
(B) dwarf galaxy companions.
(C) elements required for life.
(D) the same age.
(E) sun-like stars.

Correct answer: (B)

Student responses
Sections 70178, 70186, 70200
(A) : 15 students
(B) : 31 students
(C) : 3 students
(D) : 1 student
(E) : 8 students

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