Astronomy current events question: "starburst" galaxy COSMOS-AzTEC-1

Astronomy 210L, fall semester 2018
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!)
Press release, "Unstoppable Monster in the Early Universe--ALMA Obtains Most Detailed View of Distant Starburst Galaxy" (August 30, 2018)
Mapping of molecular clouds by the Atacama Large Millimeter/submillimeter Array provide evidence that galaxy COSMOS-AzTEC-1's rapid star formation may be due to an imbalance between:
(A) black holes and supernovas.
(B) matter and antimatter.
(C) gravity and pressure.
(D) dark matter and dark energy.
(E) hydrogen and helium.

Correct answer: (C)

Student responses
Sections 70178, 70186
(A) : 1 student
(B) : 3 students
(C) : 13 students
(D) : 2 students
(E) : 7 students

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