Astronomy current events question: light source SDSS1133

Astronomy 210L, fall semester 2014
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!)

Francis Reddy, "NASA's Swift Mission Probes an Exotic Object: ‘Kicked’ Black Hole or Mega Star?," (November 19, 2014)
http://www.nasa.gov/content/goddard/nasas-swift-mission-probes-an-exotic-object

Observations from NASA's Swift satellite of dwarf galaxy Markarian 177 indicates that its unusual light source SDSS1133 may be a __________ ejected from two merging galaxies. (A) cloud of dark matter. (B) high-energy pulsar. (C) wormhole. (D) hypernova. (E) supermassive black hole.

Correct answer: (E)

Student responses
Sections 70178, 70186
(A) : 4 students
(B) : 5 students
(C) : 1 student
(D) : 4 students
(E) : 25 students