Astronomy current events question: multiple supernova images

Astronomy 210L, spring semester 2015
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!)
Donna Weaver, Ray Villard, Patrick Kelly, and Steve Rodney, "Hubble Sees Supernova Split into Four Images by Cosmic Lens," (March 5, 2015)
Due to gravitational lensing by the MACS J1149.6+2223 cluster of galaxies, the Hubble Space Telescope observed a supernova:
(A) split into multiple images.
(B) falling into a supermassive black hole.
(C) moving back in time.
(D) just before it actually exploded.
(E) converted into dark matter.

Correct answer: (A)

Student responses
Sections 30678, 30679, 30680
(A) : 37 students
(B) : 1 student
(C) : 1 student
(D) : 7 students
(E) : 6 students

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