Astronomy current events question: distant galaxy GN-108036

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, "NASA Telescopes Help Find Rare Galaxy at Dawn of Time," December 21, 2011
http://www.nasa.gov/mission_pages/spitzer/news/spitzer20111221.html

NASA's Spitzer and Hubble space telescopes measured the unusual __________ of galaxy GN-108036, one of the most distant galaxies discovered.
(A) antimatter to matter ratio.
(B) amount of dark matter.
(C) star production rate.
(D) supermassive central black hole.
(E) blueshift.

Correct answer: (C)

Student responses
Sections 30678, 30679, 30680
(A) : 9 students
(B) : 10 students
(C) : 34 students
(D) : 4 students
(E) : 4 students