20120910

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
http://www.wired.com/wiredscience/2012/08/milky-way-galaxy-systems/
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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